391020921

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{1174237}}^1$

素因数の和:1174280

約数の個数: 12

約数和(自身を含む): 580073572

約数和(自身を除く): 189052651

約数列:

[1, 3, 9, 37, 111, 333, 1174237, 3522711, 10568133, 43446769, 130340307, 391020921]

約数ペア:

[(1, 391020921), (3, 130340307), (9, 43446769), (37, 10568133), (111, 3522711), (333, 1174237)]