156987009

素因数分解:

$3^2\times {\mathrm{431}}^1\times {\mathrm{40471}}^1$

素因数の和:40908

約数の個数: 12

約数和(自身を含む): 227290752

約数和(自身を除く): 70303743

約数列:

[1, 3, 9, 431, 1293, 3879, 40471, 121413, 364239, 17443001, 52329003, 156987009]

約数ペア:

[(1, 156987009), (3, 52329003), (9, 17443001), (431, 364239), (1293, 121413), (3879, 40471)]