161884161

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{2137}}^1$

素因数の和:2605

約数の個数: 24

約数和(自身を含む): 246810720

約数和(自身を除く): 84926559

約数列:

[1, 3, 9, 19, 57, 171, 443, 1329, 2137, 3987, 6411, 8417, 19233, 25251, 40603, 75753, 121809, 365427, 946691, 2840073, 8520219, 17987129, 53961387, 161884161]

約数ペア:

[(1, 161884161), (3, 53961387), (9, 17987129), (19, 8520219), (57, 2840073), (171, 946691), (443, 365427), (1329, 121809), (2137, 75753), (3987, 40603), (6411, 25251), (8417, 19233)]