25178013

素因数分解:

$3^3\times 7^2\times {\mathrm{19031}}^1$

素因数の和:19054

約数の個数: 24

約数和(自身を含む): 43392960

約数和(自身を除く): 18214947

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 19031, 57093, 133217, 171279, 399651, 513837, 932519, 1198953, 2797557, 3596859, 8392671, 25178013]

約数ペア:

[(1, 25178013), (3, 8392671), (7, 3596859), (9, 2797557), (21, 1198953), (27, 932519), (49, 513837), (63, 399651), (147, 171279), (189, 133217), (441, 57093), (1323, 19031)]