1231443

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:696

約数の個数: 20

約数和(自身を含む): 1922448

約数和(自身を除く): 691005

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 661, 1863, 1983, 5949, 15203, 17847, 45609, 53541, 136827, 410481, 1231443]

約数ペア:

[(1, 1231443), (3, 410481), (9, 136827), (23, 53541), (27, 45609), (69, 17847), (81, 15203), (207, 5949), (621, 1983), (661, 1863)]