1021945725

素因数分解:

$3^2\times 5^2\times {\mathrm{4541981}}^1$

素因数の和:4541997

約数の個数: 18

約数和(自身を含む): 1830418746

約数和(自身を除く): 808473021

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 4541981, 13625943, 22709905, 40877829, 68129715, 113549525, 204389145, 340648575, 1021945725]

約数ペア:

[(1, 1021945725), (3, 340648575), (5, 204389145), (9, 113549525), (15, 68129715), (25, 40877829), (45, 22709905), (75, 13625943), (225, 4541981)]