287578718721

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1\times {\mathrm{2351}}^1$

素因数の和:2899

約数の個数: 96

約数和(自身を含む): 490781491200

約数和(自身を除く): 203202772479

約数列:

[1, 3, 7, 9, 21, 47, 63, 109, 141, 327, 329, 379, 423, 763, 981, 987, 1137, 2289, 2351, 2653, 2961, 3411, 5123, 6867, 7053, 7959, 15369, 16457, 17813, 21159, 23877, 35861, 41311, 46107, 49371, 53439, 107583, 110497, 123933, 124691, 148113, 160317, 256259, 289177, 322749, 331491, 371799, 374073, 768777, 773479, 867531, 891029, 994473, 1122219, 1793813, 1941617, 2306331, 2320437, 2602593, 2673087, 5381439, 5824851, 6237203, 6961311, 8019261, 12044173, 13591319, 16144317, 17474553, 18711609, 36132519, 40773957, 41878363, 56134827, 84309211, 97122161, 108397557, 122321871, 125635089, 252927633, 291366483, 293148541, 376905267, 679855127, 758782899, 874099449, 879445623, 2039565381, 2638336869, 4564741567, 6118696143, 13694224701, 31953190969, 41082674103, 95859572907, 287578718721]

約数ペア:

[(1, 287578718721), (3, 95859572907), (7, 41082674103), (9, 31953190969), (21, 13694224701), (47, 6118696143), (63, 4564741567), (109, 2638336869), (141, 2039565381), (327, 879445623), (329, 874099449), (379, 758782899), (423, 679855127), (763, 376905267), (981, 293148541), (987, 291366483), (1137, 252927633), (2289, 125635089), (2351, 122321871), (2653, 108397557), (2961, 97122161), (3411, 84309211), (5123, 56134827), (6867, 41878363), (7053, 40773957), (7959, 36132519), (15369, 18711609), (16457, 17474553), (17813, 16144317), (21159, 13591319), (23877, 12044173), (35861, 8019261), (41311, 6961311), (46107, 6237203), (49371, 5824851), (53439, 5381439), (107583, 2673087), (110497, 2602593), (123933, 2320437), (124691, 2306331), (148113, 1941617), (160317, 1793813), (256259, 1122219), (289177, 994473), (322749, 891029), (331491, 867531), (371799, 773479), (374073, 768777)]