221706861

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1\times {\mathrm{1709}}^1$

素因数の和:2316

約数の個数: 16

約数和(自身を含む): 299920320

約数和(自身を除く): 78213459

約数列:

[1, 3, 83, 249, 521, 1563, 1709, 5127, 43243, 129729, 141847, 425541, 890389, 2671167, 73902287, 221706861]

約数ペア:

[(1, 221706861), (3, 73902287), (83, 2671167), (249, 890389), (521, 425541), (1563, 141847), (1709, 129729), (5127, 43243)]