28497399

素因数分解:

$3^1\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{1279}}^1$

素因数の和:2350

約数の個数: 16

約数和(自身を含む): 43499520

約数和(自身を除く): 15002121

約数列:

[1, 3, 7, 21, 1061, 1279, 3183, 3837, 7427, 8953, 22281, 26859, 1357019, 4071057, 9499133, 28497399]

約数ペア:

[(1, 28497399), (3, 9499133), (7, 4071057), (21, 1357019), (1061, 26859), (1279, 22281), (3183, 8953), (3837, 7427)]