818025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{839}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 1458240

約数和(自身を除く): 640215

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 839, 975, 2517, 4195, 10907, 12585, 20975, 32721, 54535, 62925, 163605, 272675, 818025]

約数ペア:

[(1, 818025), (3, 272675), (5, 163605), (13, 62925), (15, 54535), (25, 32721), (39, 20975), (65, 12585), (75, 10907), (195, 4195), (325, 2517), (839, 975)]