520012143

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{22369}}^1$

素因数の和:22429

約数の個数: 40

約数和(自身を含む): 909474720

約数和(自身を除く): 389462577

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 861, 1107, 2583, 3321, 7749, 22369, 23247, 67107, 156583, 201321, 469749, 603963, 917129, 1409247, 1811889, 2751387, 4227741, 6419903, 8254161, 12683223, 19259709, 24762483, 57779127, 74287449, 173337381, 520012143]

約数ペア:

[(1, 520012143), (3, 173337381), (7, 74287449), (9, 57779127), (21, 24762483), (27, 19259709), (41, 12683223), (63, 8254161), (81, 6419903), (123, 4227741), (189, 2751387), (287, 1811889), (369, 1409247), (567, 917129), (861, 603963), (1107, 469749), (2583, 201321), (3321, 156583), (7749, 67107), (22369, 23247)]