25561263

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{859}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 42380800

約数和(自身を除く): 16819537

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 859, 1417, 2289, 2577, 4251, 6013, 9919, 11167, 18039, 29757, 33501, 78169, 93631, 234507, 280893, 655417, 1217203, 1966251, 3651609, 8520421, 25561263]

約数ペア:

[(1, 25561263), (3, 8520421), (7, 3651609), (13, 1966251), (21, 1217203), (39, 655417), (91, 280893), (109, 234507), (273, 93631), (327, 78169), (763, 33501), (859, 29757), (1417, 18039), (2289, 11167), (2577, 9919), (4251, 6013)]