2021505

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 3507840

約数和(自身を除く): 1486335

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 173, 205, 285, 519, 615, 779, 865, 2337, 2595, 3287, 3895, 7093, 9861, 11685, 16435, 21279, 35465, 49305, 106395, 134767, 404301, 673835, 2021505]

約数ペア:

[(1, 2021505), (3, 673835), (5, 404301), (15, 134767), (19, 106395), (41, 49305), (57, 35465), (95, 21279), (123, 16435), (173, 11685), (205, 9861), (285, 7093), (519, 3895), (615, 3287), (779, 2595), (865, 2337)]