28509159

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{8647}}^1$

素因数の和:8814

約数の個数: 16

約数和(自身を含む): 43724288

約数和(自身を除く): 15215129

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 8647, 25941, 60529, 181587, 1357579, 4072737, 9503053, 28509159]

約数ペア:

[(1, 28509159), (3, 9503053), (7, 4072737), (21, 1357579), (157, 181587), (471, 60529), (1099, 25941), (3297, 8647)]