15811281

素因数分解:

$3^6\times {\mathrm{23}}^2\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 42

約数和(自身を含む): 25386018

約数和(自身を除く): 9574737

約数列:

[1, 3, 9, 23, 27, 41, 69, 81, 123, 207, 243, 369, 529, 621, 729, 943, 1107, 1587, 1863, 2829, 3321, 4761, 5589, 8487, 9963, 14283, 16767, 21689, 25461, 29889, 42849, 65067, 76383, 128547, 195201, 229149, 385641, 585603, 687447, 1756809, 5270427, 15811281]

約数ペア:

[(1, 15811281), (3, 5270427), (9, 1756809), (23, 687447), (27, 585603), (41, 385641), (69, 229149), (81, 195201), (123, 128547), (207, 76383), (243, 65067), (369, 42849), (529, 29889), (621, 25461), (729, 21689), (943, 16767), (1107, 14283), (1587, 9963), (1863, 8487), (2829, 5589), (3321, 4761)]