28785627

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 49271040

約数和(自身を除く): 20485413

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 171, 207, 247, 299, 437, 563, 741, 897, 1311, 1689, 2223, 2691, 3933, 5067, 5681, 7319, 10697, 12949, 17043, 21957, 32091, 38847, 51129, 65871, 96273, 116541, 139061, 168337, 246031, 417183, 505011, 738093, 1251549, 1515033, 2214279, 3198403, 9595209, 28785627]

約数ペア:

[(1, 28785627), (3, 9595209), (9, 3198403), (13, 2214279), (19, 1515033), (23, 1251549), (39, 738093), (57, 505011), (69, 417183), (117, 246031), (171, 168337), (207, 139061), (247, 116541), (299, 96273), (437, 65871), (563, 51129), (741, 38847), (897, 32091), (1311, 21957), (1689, 17043), (2223, 12949), (2691, 10697), (3933, 7319), (5067, 5681)]