28172763

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2459}}^1$

素因数の和:2551

約数の個数: 24

約数和(自身を含む): 43492800

約数和(自身を除く): 15320037

約数列:

[1, 3, 9, 19, 57, 67, 171, 201, 603, 1273, 2459, 3819, 7377, 11457, 22131, 46721, 140163, 164753, 420489, 494259, 1482777, 3130307, 9390921, 28172763]

約数ペア:

[(1, 28172763), (3, 9390921), (9, 3130307), (19, 1482777), (57, 494259), (67, 420489), (171, 164753), (201, 140163), (603, 46721), (1273, 22131), (2459, 11457), (3819, 7377)]