28125339

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1447}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 44482560

約数和(自身を除く): 16357221

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 209, 341, 589, 627, 1023, 1447, 1767, 4341, 6479, 15917, 19437, 27493, 44857, 47751, 82479, 134571, 302423, 493427, 852283, 907269, 1480281, 2556849, 9375113, 28125339]

約数ペア:

[(1, 28125339), (3, 9375113), (11, 2556849), (19, 1480281), (31, 907269), (33, 852283), (57, 493427), (93, 302423), (209, 134571), (341, 82479), (589, 47751), (627, 44857), (1023, 27493), (1447, 19437), (1767, 15917), (4341, 6479)]