90691945

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{3079}}^1$

素因数の和:3264

約数の個数: 16

約数和(自身を含む): 112210560

約数和(自身を除く): 21518615

約数列:

[1, 5, 43, 137, 215, 685, 3079, 5891, 15395, 29455, 132397, 421823, 661985, 2109115, 18138389, 90691945]

約数ペア:

[(1, 90691945), (5, 18138389), (43, 2109115), (137, 661985), (215, 421823), (685, 132397), (3079, 29455), (5891, 15395)]