15816775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 21654864

約数和(自身を除く): 5838089

約数列:

[1, 5, 13, 25, 41, 65, 205, 325, 533, 1025, 1187, 2665, 5935, 13325, 15431, 29675, 48667, 77155, 243335, 385775, 632671, 1216675, 3163355, 15816775]

約数ペア:

[(1, 15816775), (5, 3163355), (13, 1216675), (25, 632671), (41, 385775), (65, 243335), (205, 77155), (325, 48667), (533, 29675), (1025, 15431), (1187, 13325), (2665, 5935)]