81087795

素因数分解:

$3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3943}}^1$

素因数の和:4411

約数の個数: 24

約数和(自身を含む): 140895456

約数和(自身を除く): 59807661

約数列:

[1, 3, 5, 9, 15, 45, 457, 1371, 2285, 3943, 4113, 6855, 11829, 19715, 20565, 35487, 59145, 177435, 1801951, 5405853, 9009755, 16217559, 27029265, 81087795]

約数ペア:

[(1, 81087795), (3, 27029265), (5, 16217559), (9, 9009755), (15, 5405853), (45, 1801951), (457, 177435), (1371, 59145), (2285, 35487), (3943, 20565), (4113, 19715), (6855, 11829)]