81098829

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 139276800

約数和(自身を除く): 58177971

約数列:

[1, 3, 7, 9, 21, 47, 61, 63, 141, 183, 329, 423, 427, 449, 549, 987, 1281, 1347, 2867, 2961, 3143, 3843, 4041, 8601, 9429, 20069, 21103, 25803, 27389, 28287, 60207, 63309, 82167, 147721, 180621, 189927, 191723, 246501, 443163, 575169, 1287283, 1329489, 1725507, 3861849, 9010981, 11585547, 27032943, 81098829]

約数ペア:

[(1, 81098829), (3, 27032943), (7, 11585547), (9, 9010981), (21, 3861849), (47, 1725507), (61, 1329489), (63, 1287283), (141, 575169), (183, 443163), (329, 246501), (423, 191723), (427, 189927), (449, 180621), (549, 147721), (987, 82167), (1281, 63309), (1347, 60207), (2867, 28287), (2961, 27389), (3143, 25803), (3843, 21103), (4041, 20069), (8601, 9429)]