28678689

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7907}}^1$

素因数の和:7957

約数の個数: 24

約数和(自身を含む): 46056192

約数和(自身を除く): 17377503

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 7907, 23721, 71163, 102791, 245117, 308373, 735351, 925119, 2206053, 3186521, 9559563, 28678689]

約数ペア:

[(1, 28678689), (3, 9559563), (9, 3186521), (13, 2206053), (31, 925119), (39, 735351), (93, 308373), (117, 245117), (279, 102791), (403, 71163), (1209, 23721), (3627, 7907)]