161002191

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{25471}}^1$

素因数の和:25531

約数の個数: 24

約数和(自身を含む): 255535104

約数和(自身を除く): 94532913

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 25471, 76413, 178297, 534891, 1095253, 1248079, 3285759, 3744237, 7666771, 23000313, 53667397, 161002191]

約数ペア:

[(1, 161002191), (3, 53667397), (7, 23000313), (21, 7666771), (43, 3744237), (49, 3285759), (129, 1248079), (147, 1095253), (301, 534891), (903, 178297), (2107, 76413), (6321, 25471)]