490672017

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{260857}}^1$

素因数の和:260893

約数の個数: 24

約数和(自身を含む): 813876960

約数和(自身を除く): 323204943

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 260857, 782571, 2347713, 2869427, 4956283, 8608281, 14868849, 25824843, 44606547, 54519113, 163557339, 490672017]

約数ペア:

[(1, 490672017), (3, 163557339), (9, 54519113), (11, 44606547), (19, 25824843), (33, 14868849), (57, 8608281), (99, 4956283), (171, 2869427), (209, 2347713), (627, 782571), (1881, 260857)]