1664481

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:110

約数の個数: 36

約数和(自身を含む): 2837232

約数和(自身を除く): 1172751

約数列:

[1, 3, 7, 13, 21, 39, 49, 67, 91, 147, 169, 201, 273, 469, 507, 637, 871, 1183, 1407, 1911, 2613, 3283, 3549, 6097, 8281, 9849, 11323, 18291, 24843, 33969, 42679, 79261, 128037, 237783, 554827, 1664481]

約数ペア:

[(1, 1664481), (3, 554827), (7, 237783), (13, 128037), (21, 79261), (39, 42679), (49, 33969), (67, 24843), (91, 18291), (147, 11323), (169, 9849), (201, 8281), (273, 6097), (469, 3549), (507, 3283), (637, 2613), (871, 1911), (1183, 1407)]