20161923825

素因数分解:

$3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{1804199}}^1$

素因数の和:1804361

約数の個数: 24

約数和(自身を含む): 33558120000

約数和(自身を除く): 13396196175

約数列:

[1, 3, 5, 15, 25, 75, 149, 447, 745, 2235, 3725, 11175, 1804199, 5412597, 9020995, 27062985, 45104975, 135314925, 268825651, 806476953, 1344128255, 4032384765, 6720641275, 20161923825]

約数ペア:

[(1, 20161923825), (3, 6720641275), (5, 4032384765), (15, 1344128255), (25, 806476953), (75, 268825651), (149, 135314925), (447, 45104975), (745, 27062985), (2235, 9020995), (3725, 5412597), (11175, 1804199)]