161808561

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{503}}^1\times {\mathrm{1153}}^1$

素因数の和:1693

約数の個数: 24

約数和(自身を含む): 241952256

約数和(自身を除く): 80143695

約数列:

[1, 3, 9, 31, 93, 279, 503, 1153, 1509, 3459, 4527, 10377, 15593, 35743, 46779, 107229, 140337, 321687, 579959, 1739877, 5219631, 17978729, 53936187, 161808561]

約数ペア:

[(1, 161808561), (3, 53936187), (9, 17978729), (31, 5219631), (93, 1739877), (279, 579959), (503, 321687), (1153, 140337), (1509, 107229), (3459, 46779), (4527, 35743), (10377, 15593)]