215566851

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{13591}}^1$

素因数の和:13922

約数の個数: 16

約数和(自身を含む): 305330688

約数和(自身を除く): 89763837

約数列:

[1, 3, 17, 51, 311, 933, 5287, 13591, 15861, 40773, 231047, 693141, 4226801, 12680403, 71855617, 215566851]

約数ペア:

[(1, 215566851), (3, 71855617), (17, 12680403), (51, 4226801), (311, 693141), (933, 231047), (5287, 40773), (13591, 15861)]