91285285

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{28661}}^1$

素因数の和:28693

約数の個数: 24

約数和(自身を含む): 137233656

約数和(自身を除く): 45948371

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 28661, 143305, 200627, 372593, 1003135, 1404389, 1862965, 2608151, 7021945, 13040755, 18257057, 91285285]

約数ペア:

[(1, 91285285), (5, 18257057), (7, 13040755), (13, 7021945), (35, 2608151), (49, 1862965), (65, 1404389), (91, 1003135), (245, 372593), (455, 200627), (637, 143305), (3185, 28661)]