4720725

素因数分解:

$3^2\times 5^2\times {\mathrm{20981}}^1$

素因数の和:20997

約数の個数: 18

約数和(自身を含む): 8455746

約数和(自身を除く): 3735021

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 20981, 62943, 104905, 188829, 314715, 524525, 944145, 1573575, 4720725]

約数ペア:

[(1, 4720725), (3, 1573575), (5, 944145), (9, 524525), (15, 314715), (25, 188829), (45, 104905), (75, 62943), (225, 20981)]