28572489

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1123}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 45238752

約数和(自身を除く): 16666263

約数列:

[1, 3, 9, 11, 33, 99, 257, 771, 1123, 2313, 2827, 3369, 8481, 10107, 12353, 25443, 37059, 111177, 288611, 865833, 2597499, 3174721, 9524163, 28572489]

約数ペア:

[(1, 28572489), (3, 9524163), (9, 3174721), (11, 2597499), (33, 865833), (99, 288611), (257, 111177), (771, 37059), (1123, 25443), (2313, 12353), (2827, 10107), (3369, 8481)]