209220525

素因数分解:

$3^2\times 5^2\times {\mathrm{929869}}^1$

素因数の和:929885

約数の個数: 18

約数和(自身を含む): 374737610

約数和(自身を除く): 165517085

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 929869, 2789607, 4649345, 8368821, 13948035, 23246725, 41844105, 69740175, 209220525]

約数ペア:

[(1, 209220525), (3, 69740175), (5, 41844105), (9, 23246725), (15, 13948035), (25, 8368821), (45, 4649345), (75, 2789607), (225, 929869)]