71809245

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{38921}}^1$

素因数の和:38973

約数の個数: 24

約数和(自身を含む): 127508472

約数和(自身を除く): 55699227

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 38921, 116763, 194605, 350289, 583815, 1595761, 1751445, 4787283, 7978805, 14361849, 23936415, 71809245]

約数ペア:

[(1, 71809245), (3, 23936415), (5, 14361849), (9, 7978805), (15, 4787283), (41, 1751445), (45, 1595761), (123, 583815), (205, 350289), (369, 194605), (615, 116763), (1845, 38921)]