156949245

素因数分解:

$3^4\times 5^1\times {\mathrm{387529}}^1$

素因数の和:387546

約数の個数: 20

約数和(自身を含む): 281346780

約数和(自身を除く): 124397535

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 387529, 1162587, 1937645, 3487761, 5812935, 10463283, 17438805, 31389849, 52316415, 156949245]

約数ペア:

[(1, 156949245), (3, 52316415), (5, 31389849), (9, 17438805), (15, 10463283), (27, 5812935), (45, 3487761), (81, 1937645), (135, 1162587), (405, 387529)]