155940681

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2039}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 234420480

約数和(自身を除く): 78479799

約数列:

[1, 3, 13, 37, 39, 53, 111, 159, 481, 689, 1443, 1961, 2039, 2067, 5883, 6117, 25493, 26507, 75443, 76479, 79521, 108067, 226329, 324201, 980759, 1404871, 2942277, 3998479, 4214613, 11995437, 51980227, 155940681]

約数ペア:

[(1, 155940681), (3, 51980227), (13, 11995437), (37, 4214613), (39, 3998479), (53, 2942277), (111, 1404871), (159, 980759), (481, 324201), (689, 226329), (1443, 108067), (1961, 79521), (2039, 76479), (2067, 75443), (5883, 26507), (6117, 25493)]