23985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:65

約数の個数: 24

約数和(自身を含む): 45864

約数和(自身を除く): 21879

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 65, 117, 123, 195, 205, 369, 533, 585, 615, 1599, 1845, 2665, 4797, 7995, 23985]

約数ペア:

[(1, 23985), (3, 7995), (5, 4797), (9, 2665), (13, 1845), (15, 1599), (39, 615), (41, 585), (45, 533), (65, 369), (117, 205), (123, 195)]