30861831

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 25908729

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 43, 77, 91, 129, 143, 231, 239, 273, 301, 429, 473, 559, 717, 903, 1001, 1419, 1673, 1677, 2629, 3003, 3107, 3311, 3913, 5019, 6149, 7887, 9321, 9933, 10277, 11739, 18403, 18447, 21749, 30831, 34177, 43043, 55209, 65247, 71939, 102531, 113047, 129129, 133601, 215817, 239239, 339141, 400803, 717717, 791329, 935207, 1469611, 2373987, 2805621, 4408833, 10287277, 30861831]

約数ペア:

[(1, 30861831), (3, 10287277), (7, 4408833), (11, 2805621), (13, 2373987), (21, 1469611), (33, 935207), (39, 791329), (43, 717717), (77, 400803), (91, 339141), (129, 239239), (143, 215817), (231, 133601), (239, 129129), (273, 113047), (301, 102531), (429, 71939), (473, 65247), (559, 55209), (717, 43043), (903, 34177), (1001, 30831), (1419, 21749), (1673, 18447), (1677, 18403), (2629, 11739), (3003, 10277), (3107, 9933), (3311, 9321), (3913, 7887), (5019, 6149)]