27442815

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 45382656

約数和(自身を除く): 17939841

約数列:

[1, 3, 5, 15, 43, 129, 157, 215, 271, 471, 645, 785, 813, 1355, 2355, 4065, 6751, 11653, 20253, 33755, 34959, 42547, 58265, 101265, 127641, 174795, 212735, 638205, 1829521, 5488563, 9147605, 27442815]

約数ペア:

[(1, 27442815), (3, 9147605), (5, 5488563), (15, 1829521), (43, 638205), (129, 212735), (157, 174795), (215, 127641), (271, 101265), (471, 58265), (645, 42547), (785, 34959), (813, 33755), (1355, 20253), (2355, 11653), (4065, 6751)]