13988781

素因数分解:

$3^6\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:668

約数の個数: 28

約数和(自身を含む): 21685120

約数和(自身を除く): 7696339

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 619, 729, 837, 1857, 2511, 5571, 7533, 16713, 19189, 22599, 50139, 57567, 150417, 172701, 451251, 518103, 1554309, 4662927, 13988781]

約数ペア:

[(1, 13988781), (3, 4662927), (9, 1554309), (27, 518103), (31, 451251), (81, 172701), (93, 150417), (243, 57567), (279, 50139), (619, 22599), (729, 19189), (837, 16713), (1857, 7533), (2511, 5571)]