201993281973

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{1549}}^1$

素因数の和:1864

約数の個数: 144

約数和(自身を含む): 363860640000

約数和(自身を除く): 161867358027

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 79, 133, 147, 171, 197, 237, 399, 441, 553, 591, 711, 931, 1197, 1379, 1501, 1549, 1659, 1773, 2793, 3743, 3871, 4137, 4503, 4647, 4977, 8379, 9653, 10507, 10843, 11229, 11613, 12411, 13509, 13941, 15563, 26201, 28959, 29431, 31521, 32529, 33687, 34839, 46689, 73549, 75901, 78603, 86877, 88293, 94563, 97587, 108941, 122371, 140067, 183407, 206017, 220647, 227703, 235809, 264879, 295697, 305153, 326823, 367113, 550221, 618051, 661941, 683109, 762587, 856597, 887091, 915459, 980469, 1101339, 1442119, 1650663, 1854153, 2069879, 2136071, 2287761, 2325049, 2569791, 2661273, 2746377, 4326357, 5797907, 5996179, 6209637, 6408213, 6863283, 6975147, 7709373, 12979071, 14489153, 14952497, 16275343, 17393721, 17988537, 18628911, 19224639, 20925441, 24107087, 40585349, 43467459, 44857491, 48826029, 52181163, 53965611, 72321261, 113927401, 121756047, 130402377, 134572473, 146478087, 168749609, 216963783, 284097443, 341782203, 365268141, 458034653, 506248827, 852292329, 1025346609, 1181247263, 1374103959, 1518746481, 2556876987, 3206242571, 3543741789, 4122311877, 9618727713, 10631225367, 22443697997, 28856183139, 67331093991, 201993281973]

約数ペア:

[(1, 201993281973), (3, 67331093991), (7, 28856183139), (9, 22443697997), (19, 10631225367), (21, 9618727713), (49, 4122311877), (57, 3543741789), (63, 3206242571), (79, 2556876987), (133, 1518746481), (147, 1374103959), (171, 1181247263), (197, 1025346609), (237, 852292329), (399, 506248827), (441, 458034653), (553, 365268141), (591, 341782203), (711, 284097443), (931, 216963783), (1197, 168749609), (1379, 146478087), (1501, 134572473), (1549, 130402377), (1659, 121756047), (1773, 113927401), (2793, 72321261), (3743, 53965611), (3871, 52181163), (4137, 48826029), (4503, 44857491), (4647, 43467459), (4977, 40585349), (8379, 24107087), (9653, 20925441), (10507, 19224639), (10843, 18628911), (11229, 17988537), (11613, 17393721), (12411, 16275343), (13509, 14952497), (13941, 14489153), (15563, 12979071), (26201, 7709373), (28959, 6975147), (29431, 6863283), (31521, 6408213), (32529, 6209637), (33687, 5996179), (34839, 5797907), (46689, 4326357), (73549, 2746377), (75901, 2661273), (78603, 2569791), (86877, 2325049), (88293, 2287761), (94563, 2136071), (97587, 2069879), (108941, 1854153), (122371, 1650663), (140067, 1442119), (183407, 1101339), (206017, 980469), (220647, 915459), (227703, 887091), (235809, 856597), (264879, 762587), (295697, 683109), (305153, 661941), (326823, 618051), (367113, 550221)]