28080000003

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1210397}}^1$

素因数の和:1210467

約数の個数: 32

約数和(自身を含む): 44155319040

約数和(自身を除く): 16075319037

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 407, 627, 703, 1221, 2109, 7733, 23199, 1210397, 3631191, 13314367, 22997543, 39943101, 44784689, 68992629, 134354067, 252972973, 492631579, 758918919, 850909091, 1477894737, 2552727273, 9360000001, 28080000003]

約数ペア:

[(1, 28080000003), (3, 9360000001), (11, 2552727273), (19, 1477894737), (33, 850909091), (37, 758918919), (57, 492631579), (111, 252972973), (209, 134354067), (407, 68992629), (627, 44784689), (703, 39943101), (1221, 22997543), (2109, 13314367), (7733, 3631191), (23199, 1210397)]