1388403405

素因数分解:

$3^2\times 5^1\times {\mathrm{30853409}}^1$

素因数の和:30853420

約数の個数: 12

約数和(自身を含む): 2406565980

約数和(自身を除く): 1018162575

約数列:

[1, 3, 5, 9, 15, 45, 30853409, 92560227, 154267045, 277680681, 462801135, 1388403405]

約数ペア:

[(1, 1388403405), (3, 462801135), (5, 277680681), (9, 154267045), (15, 92560227), (45, 30853409)]