4725225

素因数分解:

$3^2\times 5^2\times {\mathrm{21001}}^1$

素因数の和:21017

約数の個数: 18

約数和(自身を含む): 8463806

約数和(自身を除く): 3738581

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 21001, 63003, 105005, 189009, 315015, 525025, 945045, 1575075, 4725225]

約数ペア:

[(1, 4725225), (3, 1575075), (5, 945045), (9, 525025), (15, 315015), (25, 189009), (45, 105005), (75, 63003), (225, 21001)]