131217318

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{197023}}^1$

素因数の和:197068

約数の個数: 24

約数和(自身を含む): 291989568

約数和(自身を除く): 160772250

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 197023, 394046, 591069, 1182138, 1773207, 3546414, 7289851, 14579702, 21869553, 43739106, 65608659, 131217318]

約数ペア:

[(1, 131217318), (2, 65608659), (3, 43739106), (6, 21869553), (9, 14579702), (18, 7289851), (37, 3546414), (74, 1773207), (111, 1182138), (222, 591069), (333, 394046), (666, 197023)]