28123293

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 43425792

約数和(自身を除く): 15302499

約数列:

[1, 3, 11, 31, 33, 37, 93, 111, 341, 407, 743, 1023, 1147, 1221, 2229, 3441, 8173, 12617, 23033, 24519, 27491, 37851, 69099, 82473, 253363, 302401, 760089, 852221, 907203, 2556663, 9374431, 28123293]

約数ペア:

[(1, 28123293), (3, 9374431), (11, 2556663), (31, 907203), (33, 852221), (37, 760089), (93, 302401), (111, 253363), (341, 82473), (407, 69099), (743, 37851), (1023, 27491), (1147, 24519), (1221, 23033), (2229, 12617), (3441, 8173)]