7139949921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{3371}}^1$

素因数の和:3854

約数の個数: 48

約数和(自身を含む): 11395255872

約数和(自身を除く): 4255305951

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 421, 559, 1263, 1677, 3371, 3789, 5031, 5473, 10113, 16419, 18103, 30339, 43823, 49257, 54309, 131469, 144953, 162927, 235339, 394407, 434859, 706017, 1304577, 1419191, 1884389, 2118051, 4257573, 5653167, 12772719, 16959501, 18449483, 55348449, 61025213, 166045347, 183075639, 549226917, 793327769, 2379983307, 7139949921]

約数ペア:

[(1, 7139949921), (3, 2379983307), (9, 793327769), (13, 549226917), (39, 183075639), (43, 166045347), (117, 61025213), (129, 55348449), (387, 18449483), (421, 16959501), (559, 12772719), (1263, 5653167), (1677, 4257573), (3371, 2118051), (3789, 1884389), (5031, 1419191), (5473, 1304577), (10113, 706017), (16419, 434859), (18103, 394407), (30339, 235339), (43823, 162927), (49257, 144953), (54309, 131469)]