28733817

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{12553}}^1$

素因数の和:12672

約数の個数: 16

約数和(自身を含む): 44190080

約数和(自身を除く): 15456263

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 12553, 37659, 87871, 263613, 1368277, 4104831, 9577939, 28733817]

約数ペア:

[(1, 28733817), (3, 9577939), (7, 4104831), (21, 1368277), (109, 263613), (327, 87871), (763, 37659), (2289, 12553)]