31087413

素因数分解:

$3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:626

約数の個数: 36

約数和(自身を含む): 52685100

約数和(自身を除く): 21597687

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 157, 441, 449, 471, 1099, 1347, 1413, 3143, 3297, 4041, 7693, 9429, 9891, 22001, 23079, 28287, 66003, 69237, 70493, 198009, 211479, 493451, 634437, 1480353, 3454157, 4441059, 10362471, 31087413]

約数ペア:

[(1, 31087413), (3, 10362471), (7, 4441059), (9, 3454157), (21, 1480353), (49, 634437), (63, 493451), (147, 211479), (157, 198009), (441, 70493), (449, 69237), (471, 66003), (1099, 28287), (1347, 23079), (1413, 22001), (3143, 9891), (3297, 9429), (4041, 7693)]