28331397

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{7549}}^1$

素因数の和:7697

約数の個数: 16

約数和(自身を含む): 42280000

約数和(自身を除く): 13948603

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 7549, 22647, 67941, 203823, 1049311, 3147933, 9443799, 28331397]

約数ペア:

[(1, 28331397), (3, 9443799), (9, 3147933), (27, 1049311), (139, 203823), (417, 67941), (1251, 22647), (3753, 7549)]