289320855

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{138763}}^1$

素因数の和:138910

約数の個数: 16

約数和(自身を含む): 466247040

約数和(自身を除く): 176926185

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 138763, 416289, 693815, 2081445, 19288057, 57864171, 96440285, 289320855]

約数ペア:

[(1, 289320855), (3, 96440285), (5, 57864171), (15, 19288057), (139, 2081445), (417, 693815), (695, 416289), (2085, 138763)]