40535721

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{26339}}^1$

素因数の和:26370

約数の個数: 20

約数和(自身を含む): 63742800

約数和(自身を除く): 23207079

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 26339, 79017, 237051, 500441, 711153, 1501323, 2133459, 4503969, 13511907, 40535721]

約数ペア:

[(1, 40535721), (3, 13511907), (9, 4503969), (19, 2133459), (27, 1501323), (57, 711153), (81, 500441), (171, 237051), (513, 79017), (1539, 26339)]