81613839

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{2689}}^1$

素因数の和:2910

約数の個数: 16

約数和(自身を含む): 111215360

約数和(自身を除く): 29601521

約数列:

[1, 3, 67, 151, 201, 453, 2689, 8067, 10117, 30351, 180163, 406039, 540489, 1218117, 27204613, 81613839]

約数ペア:

[(1, 81613839), (3, 27204613), (67, 1218117), (151, 540489), (201, 406039), (453, 180163), (2689, 30351), (8067, 10117)]