51289959

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{40039}}^1$

素因数の和:40110

約数の個数: 16

約数和(自身を含む): 79439360

約数和(自身を除く): 28149401

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 40039, 120117, 280273, 840819, 2442379, 7327137, 17096653, 51289959]

約数ペア:

[(1, 51289959), (3, 17096653), (7, 7327137), (21, 2442379), (61, 840819), (183, 280273), (427, 120117), (1281, 40039)]