8721045

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4507}}^1$

素因数の和:4561

約数の個数: 24

約数和(自身を含む): 15471456

約数和(自身を除く): 6750411

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 4507, 13521, 22535, 40563, 67605, 193801, 202815, 581403, 969005, 1744209, 2907015, 8721045]

約数ペア:

[(1, 8721045), (3, 2907015), (5, 1744209), (9, 969005), (15, 581403), (43, 202815), (45, 193801), (129, 67605), (215, 40563), (387, 22535), (645, 13521), (1935, 4507)]