3999723

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 48

約数和(自身を含む): 7027200

約数和(自身を除く): 3027477

約数列:

[1, 3, 7, 13, 21, 23, 39, 49, 69, 91, 147, 161, 169, 273, 299, 343, 483, 507, 637, 897, 1029, 1127, 1183, 1911, 2093, 3381, 3549, 3887, 4459, 6279, 7889, 8281, 11661, 13377, 14651, 23667, 24843, 27209, 43953, 57967, 81627, 102557, 173901, 190463, 307671, 571389, 1333241, 3999723]

約数ペア:

[(1, 3999723), (3, 1333241), (7, 571389), (13, 307671), (21, 190463), (23, 173901), (39, 102557), (49, 81627), (69, 57967), (91, 43953), (147, 27209), (161, 24843), (169, 23667), (273, 14651), (299, 13377), (343, 11661), (483, 8281), (507, 7889), (637, 6279), (897, 4459), (1029, 3887), (1127, 3549), (1183, 3381), (1911, 2093)]