25680291

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{863}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 16897629

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 863, 1417, 2289, 2589, 4251, 6041, 9919, 11219, 18123, 29757, 33657, 78533, 94067, 235599, 282201, 658469, 1222871, 1975407, 3668613, 8560097, 25680291]

約数ペア:

[(1, 25680291), (3, 8560097), (7, 3668613), (13, 1975407), (21, 1222871), (39, 658469), (91, 282201), (109, 235599), (273, 94067), (327, 78533), (763, 33657), (863, 29757), (1417, 18123), (2289, 11219), (2589, 9919), (4251, 6041)]