4020255

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2179}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 7141680

約数和(自身を除く): 3121425

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 2179, 6537, 10895, 19611, 32685, 89339, 98055, 268017, 446695, 804051, 1340085, 4020255]

約数ペア:

[(1, 4020255), (3, 1340085), (5, 804051), (9, 446695), (15, 268017), (41, 98055), (45, 89339), (123, 32685), (205, 19611), (369, 10895), (615, 6537), (1845, 2179)]