161796315

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1831}}^1$

素因数の和:2019

約数の個数: 32

約数和(自身を含む): 266973696

約数和(自身を除く): 105177381

約数列:

[1, 3, 5, 15, 43, 129, 137, 215, 411, 645, 685, 1831, 2055, 5493, 5891, 9155, 17673, 27465, 29455, 78733, 88365, 236199, 250847, 393665, 752541, 1180995, 1254235, 3762705, 10786421, 32359263, 53932105, 161796315]

約数ペア:

[(1, 161796315), (3, 53932105), (5, 32359263), (15, 10786421), (43, 3762705), (129, 1254235), (137, 1180995), (215, 752541), (411, 393665), (645, 250847), (685, 236199), (1831, 88365), (2055, 78733), (5493, 29455), (5891, 27465), (9155, 17673)]