71921277

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{2801}}^1$

素因数の和:3130

約数の個数: 20

約数和(自身を含む): 107815356

約数和(自身を除く): 35894079

約数列:

[1, 3, 9, 27, 81, 317, 951, 2801, 2853, 8403, 8559, 25209, 25677, 75627, 226881, 887917, 2663751, 7991253, 23973759, 71921277]

約数ペア:

[(1, 71921277), (3, 23973759), (9, 7991253), (27, 2663751), (81, 887917), (317, 226881), (951, 75627), (2801, 25677), (2853, 25209), (8403, 8559)]