217461609

素因数分解:

$3^2\times {\mathrm{1511}}^1\times {\mathrm{15991}}^1$

素因数の和:17508

約数の個数: 12

約数和(自身を含む): 314338752

約数和(自身を除く): 96877143

約数列:

[1, 3, 9, 1511, 4533, 13599, 15991, 47973, 143919, 24162401, 72487203, 217461609]

約数ペア:

[(1, 217461609), (3, 72487203), (9, 24162401), (1511, 143919), (4533, 47973), (13599, 15991)]