28006797

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{593}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 46303488

約数和(自身を除く): 18296691

約数列:

[1, 3, 7, 13, 21, 39, 91, 173, 273, 519, 593, 1211, 1779, 2249, 3633, 4151, 6747, 7709, 12453, 15743, 23127, 47229, 53963, 102589, 161889, 307767, 718123, 1333657, 2154369, 4000971, 9335599, 28006797]

約数ペア:

[(1, 28006797), (3, 9335599), (7, 4000971), (13, 2154369), (21, 1333657), (39, 718123), (91, 307767), (173, 161889), (273, 102589), (519, 53963), (593, 47229), (1211, 23127), (1779, 15743), (2249, 12453), (3633, 7709), (4151, 6747)]