72409707

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{28837}}^1$

素因数の和:28880

約数の個数: 20

約数和(自身を含む): 111660736

約数和(自身を除く): 39251029

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 28837, 86511, 259533, 778599, 893947, 2335797, 2681841, 8045523, 24136569, 72409707]

約数ペア:

[(1, 72409707), (3, 24136569), (9, 8045523), (27, 2681841), (31, 2335797), (81, 893947), (93, 778599), (279, 259533), (837, 86511), (2511, 28837)]