212685225

素因数分解:

$3^1\times 5^2\times {\mathrm{521}}^1\times {\mathrm{5443}}^1$

素因数の和:5977

約数の個数: 24

約数和(自身を含む): 352379232

約数和(自身を除く): 139694007

約数列:

[1, 3, 5, 15, 25, 75, 521, 1563, 2605, 5443, 7815, 13025, 16329, 27215, 39075, 81645, 136075, 408225, 2835803, 8507409, 14179015, 42537045, 70895075, 212685225]

約数ペア:

[(1, 212685225), (3, 70895075), (5, 42537045), (15, 14179015), (25, 8507409), (75, 2835803), (521, 408225), (1563, 136075), (2605, 81645), (5443, 39075), (7815, 27215), (13025, 16329)]