25442781

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 43006464

約数和(自身を除く): 17563683

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 107, 169, 201, 273, 321, 469, 507, 749, 871, 1183, 1391, 1407, 2247, 2613, 3549, 4173, 6097, 7169, 9737, 11323, 18083, 18291, 21507, 29211, 33969, 50183, 54249, 79261, 93197, 126581, 150549, 237783, 279591, 379743, 652379, 1211561, 1957137, 3634683, 8480927, 25442781]

約数ペア:

[(1, 25442781), (3, 8480927), (7, 3634683), (13, 1957137), (21, 1211561), (39, 652379), (67, 379743), (91, 279591), (107, 237783), (169, 150549), (201, 126581), (273, 93197), (321, 79261), (469, 54249), (507, 50183), (749, 33969), (871, 29211), (1183, 21507), (1391, 18291), (1407, 18083), (2247, 11323), (2613, 9737), (3549, 7169), (4173, 6097)]