20215413

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3617}}^1$

素因数の和:3655

約数の個数: 24

約数和(自身を含む): 31606848

約数和(自身を除く): 11391435

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3617, 5589, 10851, 32553, 83191, 97659, 249573, 292977, 748719, 878931, 2246157, 6738471, 20215413]

約数ペア:

[(1, 20215413), (3, 6738471), (9, 2246157), (23, 878931), (27, 748719), (69, 292977), (81, 249573), (207, 97659), (243, 83191), (621, 32553), (1863, 10851), (3617, 5589)]