31820625

素因数分解:

$3^2\times 5^4\times {\mathrm{5657}}^1$

素因数の和:5683

約数の個数: 30

約数和(自身を含む): 57445674

約数和(自身を除く): 25625049

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 5625, 5657, 16971, 28285, 50913, 84855, 141425, 254565, 424275, 707125, 1272825, 2121375, 3535625, 6364125, 10606875, 31820625]

約数ペア:

[(1, 31820625), (3, 10606875), (5, 6364125), (9, 3535625), (15, 2121375), (25, 1272825), (45, 707125), (75, 424275), (125, 254565), (225, 141425), (375, 84855), (625, 50913), (1125, 28285), (1875, 16971), (5625, 5657)]