245338401

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 433115136

約数和(自身を除く): 187776735

約数列:

[1, 3, 7, 11, 21, 23, 33, 61, 69, 77, 161, 183, 231, 253, 427, 483, 671, 757, 759, 1281, 1403, 1771, 2013, 2271, 4209, 4697, 5299, 5313, 8327, 9821, 14091, 15433, 15897, 17411, 24981, 29463, 46177, 46299, 52233, 58289, 108031, 121877, 138531, 174867, 191521, 323239, 324093, 365631, 507947, 574563, 969717, 1062071, 1340647, 1523841, 3186213, 3555629, 4021941, 7434497, 10666887, 11682781, 22303491, 35048343, 81779467, 245338401]

約数ペア:

[(1, 245338401), (3, 81779467), (7, 35048343), (11, 22303491), (21, 11682781), (23, 10666887), (33, 7434497), (61, 4021941), (69, 3555629), (77, 3186213), (161, 1523841), (183, 1340647), (231, 1062071), (253, 969717), (427, 574563), (483, 507947), (671, 365631), (757, 324093), (759, 323239), (1281, 191521), (1403, 174867), (1771, 138531), (2013, 121877), (2271, 108031), (4209, 58289), (4697, 52233), (5299, 46299), (5313, 46177), (8327, 29463), (9821, 24981), (14091, 17411), (15433, 15897)]