7681491

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1549}}^1$

素因数の和:1603

約数の個数: 24

約数和(自身を含む): 12090000

約数和(自身を除く): 4408509

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1549, 1653, 4647, 4959, 13941, 29431, 44921, 88293, 134763, 264879, 404289, 853499, 2560497, 7681491]

約数ペア:

[(1, 7681491), (3, 2560497), (9, 853499), (19, 404289), (29, 264879), (57, 134763), (87, 88293), (171, 44921), (261, 29431), (551, 13941), (1549, 4959), (1653, 4647)]