31005429

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{829}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 51313920

約数和(自身を除く): 20308491

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 411, 829, 959, 1781, 2487, 2877, 5343, 5803, 10777, 12467, 17409, 32331, 37401, 75439, 113573, 226317, 340719, 795011, 1476449, 2385033, 4429347, 10335143, 31005429]

約数ペア:

[(1, 31005429), (3, 10335143), (7, 4429347), (13, 2385033), (21, 1476449), (39, 795011), (91, 340719), (137, 226317), (273, 113573), (411, 75439), (829, 37401), (959, 32331), (1781, 17409), (2487, 12467), (2877, 10777), (5343, 5803)]