12968985

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5507}}^1$

素因数の和:5672

約数の個数: 16

約数和(自身を含む): 20886336

約数和(自身を除く): 7917351

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 5507, 16521, 27535, 82605, 864599, 2593797, 4322995, 12968985]

約数ペア:

[(1, 12968985), (3, 4322995), (5, 2593797), (15, 864599), (157, 82605), (471, 27535), (785, 16521), (2355, 5507)]