291215115

素因数分解:

$3^3\times 5^1\times {\mathrm{2157149}}^1$

素因数の和:2157163

約数の個数: 16

約数和(自身を含む): 517716000

約数和(自身を除く): 226500885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2157149, 6471447, 10785745, 19414341, 32357235, 58243023, 97071705, 291215115]

約数ペア:

[(1, 291215115), (3, 97071705), (5, 58243023), (9, 32357235), (15, 19414341), (27, 10785745), (45, 6471447), (135, 2157149)]