28061943

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{7907}}^1$

素因数の和:7943

約数の個数: 24

約数和(自身を含む): 46309248

約数和(自身を除く): 18247305

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 7907, 23721, 55349, 102791, 166047, 308373, 719537, 1336283, 2158611, 4008849, 9353981, 28061943]

約数ペア:

[(1, 28061943), (3, 9353981), (7, 4008849), (13, 2158611), (21, 1336283), (39, 719537), (91, 308373), (169, 166047), (273, 102791), (507, 55349), (1183, 23721), (3549, 7907)]