28276353

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3229}}^1$

素因数の和:3381

約数の個数: 24

約数和(自身を含む): 47028800

約数和(自身を除く): 18752447

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 3229, 8757, 9687, 22603, 29061, 67809, 203427, 448831, 1346493, 3141817, 4039479, 9425451, 28276353]

約数ペア:

[(1, 28276353), (3, 9425451), (7, 4039479), (9, 3141817), (21, 1346493), (63, 448831), (139, 203427), (417, 67809), (973, 29061), (1251, 22603), (2919, 9687), (3229, 8757)]