155381289

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{53231}}^1$

素因数の和:53380

約数の個数: 16

約数和(自身を含む): 238479360

約数和(自身を除く): 83098071

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 53231, 159693, 372617, 1117851, 7399109, 22197327, 51793763, 155381289]

約数ペア:

[(1, 155381289), (3, 51793763), (7, 22197327), (21, 7399109), (139, 1117851), (417, 372617), (973, 159693), (2919, 53231)]