1998825

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 3422400

約数和(自身を除く): 1423575

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 919, 2175, 2757, 4595, 13785, 22975, 26651, 68925, 79953, 133255, 399765, 666275, 1998825]

約数ペア:

[(1, 1998825), (3, 666275), (5, 399765), (15, 133255), (25, 79953), (29, 68925), (75, 26651), (87, 22975), (145, 13785), (435, 4595), (725, 2757), (919, 2175)]