2100031875

素因数分解:

$3^2\times 5^4\times {\mathrm{373339}}^1$

素因数の和:373365

約数の個数: 30

約数和(自身を含む): 3790521020

約数和(自身を除く): 1690489145

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 5625, 373339, 1120017, 1866695, 3360051, 5600085, 9333475, 16800255, 28000425, 46667375, 84001275, 140002125, 233336875, 420006375, 700010625, 2100031875]

約数ペア:

[(1, 2100031875), (3, 700010625), (5, 420006375), (9, 233336875), (15, 140002125), (25, 84001275), (45, 46667375), (75, 28000425), (125, 16800255), (225, 9333475), (375, 5600085), (625, 3360051), (1125, 1866695), (1875, 1120017), (5625, 373339)]