18501291

素因数分解:

$3^6\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:678

約数の個数: 28

約数和(自身を含む): 28461720

約数和(自身を除く): 9960429

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 619, 729, 1107, 1857, 3321, 5571, 9963, 16713, 25379, 29889, 50139, 76137, 150417, 228411, 451251, 685233, 2055699, 6167097, 18501291]

約数ペア:

[(1, 18501291), (3, 6167097), (9, 2055699), (27, 685233), (41, 451251), (81, 228411), (123, 150417), (243, 76137), (369, 50139), (619, 29889), (729, 25379), (1107, 16713), (1857, 9963), (3321, 5571)]