221337390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{857}}^1\times {\mathrm{8609}}^1$

素因数の和:9476

約数の個数: 32

約数和(自身を含む): 531891360

約数和(自身を除く): 310553970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 857, 1714, 2571, 4285, 5142, 8570, 8609, 12855, 17218, 25710, 25827, 43045, 51654, 86090, 129135, 258270, 7377913, 14755826, 22133739, 36889565, 44267478, 73779130, 110668695, 221337390]

約数ペア:

[(1, 221337390), (2, 110668695), (3, 73779130), (5, 44267478), (6, 36889565), (10, 22133739), (15, 14755826), (30, 7377913), (857, 258270), (1714, 129135), (2571, 86090), (4285, 51654), (5142, 43045), (8570, 25827), (8609, 25710), (12855, 17218)]