15403887

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1213}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 23862384

約数和(自身を除く): 8458497

約数列:

[1, 3, 9, 17, 51, 83, 153, 249, 747, 1213, 1411, 3639, 4233, 10917, 12699, 20621, 61863, 100679, 185589, 302037, 906111, 1711543, 5134629, 15403887]

約数ペア:

[(1, 15403887), (3, 5134629), (9, 1711543), (17, 906111), (51, 302037), (83, 185589), (153, 100679), (249, 61863), (747, 20621), (1213, 12699), (1411, 10917), (3639, 4233)]