28228809

素因数分解:

$3^1\times 7^1\times {\mathrm{1051}}^1\times {\mathrm{1279}}^1$

素因数の和:2340

約数の個数: 16

約数和(自身を含む): 43089920

約数和(自身を除く): 14861111

約数列:

[1, 3, 7, 21, 1051, 1279, 3153, 3837, 7357, 8953, 22071, 26859, 1344229, 4032687, 9409603, 28228809]

約数ペア:

[(1, 28228809), (3, 9409603), (7, 4032687), (21, 1344229), (1051, 26859), (1279, 22071), (3153, 8953), (3837, 7357)]