1976697723

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 3666345984

約数和(自身を除く): 1689648261

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 71, 73, 77, 91, 127, 143, 213, 219, 231, 273, 381, 429, 497, 511, 781, 803, 889, 923, 949, 1001, 1397, 1491, 1533, 1651, 2343, 2409, 2667, 2769, 2847, 3003, 4191, 4953, 5183, 5467, 5621, 6461, 6643, 9017, 9271, 9779, 10153, 10439, 11557, 15549, 16401, 16863, 18161, 19383, 19929, 27051, 27813, 29337, 30459, 31317, 34671, 36281, 54483, 57013, 63119, 64897, 67379, 71071, 73073, 99187, 101981, 108843, 117221, 120523, 127127, 171039, 189357, 194691, 202137, 213213, 219219, 297561, 305943, 351663, 361569, 381381, 399091, 471653, 658241, 694309, 713867, 741169, 820547, 843661, 1197273, 1289431, 1325753, 1414959, 1974723, 2082927, 2141601, 2223507, 2461641, 2530983, 3868293, 3977259, 4607687, 5188183, 7240651, 8557133, 9026017, 9280271, 13823061, 15564549, 21721953, 25671399, 27078051, 27840813, 50684557, 59899931, 94128463, 152053671, 179699793, 282385389, 658899241, 1976697723]

約数ペア:

[(1, 1976697723), (3, 658899241), (7, 282385389), (11, 179699793), (13, 152053671), (21, 94128463), (33, 59899931), (39, 50684557), (71, 27840813), (73, 27078051), (77, 25671399), (91, 21721953), (127, 15564549), (143, 13823061), (213, 9280271), (219, 9026017), (231, 8557133), (273, 7240651), (381, 5188183), (429, 4607687), (497, 3977259), (511, 3868293), (781, 2530983), (803, 2461641), (889, 2223507), (923, 2141601), (949, 2082927), (1001, 1974723), (1397, 1414959), (1491, 1325753), (1533, 1289431), (1651, 1197273), (2343, 843661), (2409, 820547), (2667, 741169), (2769, 713867), (2847, 694309), (3003, 658241), (4191, 471653), (4953, 399091), (5183, 381381), (5467, 361569), (5621, 351663), (6461, 305943), (6643, 297561), (9017, 219219), (9271, 213213), (9779, 202137), (10153, 194691), (10439, 189357), (11557, 171039), (15549, 127127), (16401, 120523), (16863, 117221), (18161, 108843), (19383, 101981), (19929, 99187), (27051, 73073), (27813, 71071), (29337, 67379), (30459, 64897), (31317, 63119), (34671, 57013), (36281, 54483)]