156936216555

素因数分解:

$3^4\times 5^1\times {\mathrm{387496831}}^1$

素因数の和:387496848

約数の個数: 20

約数和(自身を含む): 281322700032

約数和(自身を除く): 124386483477

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 387496831, 1162490493, 1937484155, 3487471479, 5812452465, 10462414437, 17437357395, 31387243311, 52312072185, 156936216555]

約数ペア:

[(1, 156936216555), (3, 52312072185), (5, 31387243311), (9, 17437357395), (15, 10462414437), (27, 5812452465), (45, 3487471479), (81, 1937484155), (135, 1162490493), (405, 387496831)]