221586570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{820691}}^1$

素因数の和:820707

約数の個数: 32

約数和(自身を含む): 590898240

約数和(自身を除く): 369311670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 820691, 1641382, 2462073, 4103455, 4924146, 7386219, 8206910, 12310365, 14772438, 22158657, 24620730, 36931095, 44317314, 73862190, 110793285, 221586570]

約数ペア:

[(1, 221586570), (2, 110793285), (3, 73862190), (5, 44317314), (6, 36931095), (9, 24620730), (10, 22158657), (15, 14772438), (18, 12310365), (27, 8206910), (30, 7386219), (45, 4924146), (54, 4103455), (90, 2462073), (135, 1641382), (270, 820691)]