31541211

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3907}}^1$

素因数の和:3952

約数の個数: 32

約数和(自身を含む): 52523520

約数和(自身を除く): 20982309

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 3907, 8073, 11721, 35163, 50791, 89861, 105489, 152373, 269583, 457119, 808749, 1168193, 1371357, 2426247, 3504579, 10513737, 31541211]

約数ペア:

[(1, 31541211), (3, 10513737), (9, 3504579), (13, 2426247), (23, 1371357), (27, 1168193), (39, 808749), (69, 457119), (117, 269583), (207, 152373), (299, 105489), (351, 89861), (621, 50791), (897, 35163), (2691, 11721), (3907, 8073)]