172785717

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{164089}}^1$

素因数の和:164114

約数の個数: 20

約数和(自身を含む): 277968460

約数和(自身を除く): 105182743

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 164089, 492267, 1476801, 2133157, 4430403, 6399471, 13291209, 19198413, 57595239, 172785717]

約数ペア:

[(1, 172785717), (3, 57595239), (9, 19198413), (13, 13291209), (27, 6399471), (39, 4430403), (81, 2133157), (117, 1476801), (351, 492267), (1053, 164089)]