156922521

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{53759}}^1$

素因数の和:53908

約数の個数: 16

約数和(自身を含む): 240844800

約数和(自身を除く): 83922279

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 53759, 161277, 376313, 1128939, 7472501, 22417503, 52307507, 156922521]

約数ペア:

[(1, 156922521), (3, 52307507), (7, 22417503), (21, 7472501), (139, 1128939), (417, 376313), (973, 161277), (2919, 53759)]