291078

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 24

約数和(自身を含む): 640848

約数和(自身を除く): 349770

約数列:

[1, 2, 3, 6, 9, 18, 103, 157, 206, 309, 314, 471, 618, 927, 942, 1413, 1854, 2826, 16171, 32342, 48513, 97026, 145539, 291078]

約数ペア:

[(1, 291078), (2, 145539), (3, 97026), (6, 48513), (9, 32342), (18, 16171), (103, 2826), (157, 1854), (206, 1413), (309, 942), (314, 927), (471, 618)]