18316875

素因数分解:

$3^1\times 5^4\times {\mathrm{9769}}^1$

素因数の和:9792

約数の個数: 20

約数和(自身を含む): 30521480

約数和(自身を除く): 12204605

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 9769, 29307, 48845, 146535, 244225, 732675, 1221125, 3663375, 6105625, 18316875]

約数ペア:

[(1, 18316875), (3, 6105625), (5, 3663375), (15, 1221125), (25, 732675), (75, 244225), (125, 146535), (375, 48845), (625, 29307), (1875, 9769)]