71172225

素因数分解:

$3^2\times 5^2\times {\mathrm{316321}}^1$

素因数の和:316337

約数の個数: 18

約数和(自身を含む): 127477766

約数和(自身を除く): 56305541

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 316321, 948963, 1581605, 2846889, 4744815, 7908025, 14234445, 23724075, 71172225]

約数ペア:

[(1, 71172225), (3, 23724075), (5, 14234445), (9, 7908025), (15, 4744815), (25, 2846889), (45, 1581605), (75, 948963), (225, 316321)]