28651413

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{12517}}^1$

素因数の和:12636

約数の個数: 16

約数和(自身を含む): 44063360

約数和(自身を除く): 15411947

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 12517, 37551, 87619, 262857, 1364353, 4093059, 9550471, 28651413]

約数ペア:

[(1, 28651413), (3, 9550471), (7, 4093059), (21, 1364353), (109, 262857), (327, 87619), (763, 37551), (2289, 12517)]