30931719

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3907}}^1$

素因数の和:3959

約数の個数: 32

約数和(自身を含む): 52523520

約数和(自身を除く): 21591801

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 3907, 7917, 11721, 27349, 50791, 82047, 113303, 152373, 339909, 355537, 793121, 1066611, 1472939, 2379363, 4418817, 10310573, 30931719]

約数ペア:

[(1, 30931719), (3, 10310573), (7, 4418817), (13, 2379363), (21, 1472939), (29, 1066611), (39, 793121), (87, 355537), (91, 339909), (203, 152373), (273, 113303), (377, 82047), (609, 50791), (1131, 27349), (2639, 11721), (3907, 7917)]