87915825

素因数分解:

$3^2\times 5^2\times {\mathrm{390737}}^1$

素因数の和:390753

約数の個数: 18

約数和(自身を含む): 157467414

約数和(自身を除く): 69551589

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 390737, 1172211, 1953685, 3516633, 5861055, 9768425, 17583165, 29305275, 87915825]

約数ペア:

[(1, 87915825), (3, 29305275), (5, 17583165), (9, 9768425), (15, 5861055), (25, 3516633), (45, 1953685), (75, 1172211), (225, 390737)]