9901015

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 12339360

約数和(自身を除く): 2438345

約数列:

[1, 5, 37, 109, 185, 491, 545, 2455, 4033, 18167, 20165, 53519, 90835, 267595, 1980203, 9901015]

約数ペア:

[(1, 9901015), (5, 1980203), (37, 267595), (109, 90835), (185, 53519), (491, 20165), (545, 18167), (2455, 4033)]