72009225

素因数分解:

$3^2\times 5^2\times {\mathrm{320041}}^1$

素因数の和:320057

約数の個数: 18

約数和(自身を含む): 128976926

約数和(自身を除く): 56967701

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 320041, 960123, 1600205, 2880369, 4800615, 8001025, 14401845, 24003075, 72009225]

約数ペア:

[(1, 72009225), (3, 24003075), (5, 14401845), (9, 8001025), (15, 4800615), (25, 2880369), (45, 1600205), (75, 960123), (225, 320041)]