81273231

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{1381}}^1$

素因数の和:1903

約数の個数: 24

約数和(自身を含む): 126768096

約数和(自身を除く): 45494865

約数列:

[1, 3, 9, 13, 39, 117, 503, 1381, 1509, 4143, 4527, 6539, 12429, 17953, 19617, 53859, 58851, 161577, 694643, 2083929, 6251787, 9030359, 27091077, 81273231]

約数ペア:

[(1, 81273231), (3, 27091077), (9, 9030359), (13, 6251787), (39, 2083929), (117, 694643), (503, 161577), (1381, 58851), (1509, 53859), (4143, 19617), (4527, 17953), (6539, 12429)]