131071329

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{26431}}^1$

素因数の和:26485

約数の個数: 24

約数和(自身を含む): 206169600

約数和(自身を除く): 75098271

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 26431, 79293, 237879, 502189, 766499, 1506567, 2299497, 4519701, 6898491, 14563481, 43690443, 131071329]

約数ペア:

[(1, 131071329), (3, 43690443), (9, 14563481), (19, 6898491), (29, 4519701), (57, 2299497), (87, 1506567), (171, 766499), (261, 502189), (551, 237879), (1653, 79293), (4959, 26431)]