28487511

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{293}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 45769920

約数和(自身を除く): 17282409

約数列:

[1, 3, 9, 13, 27, 39, 117, 277, 293, 351, 831, 879, 2493, 2637, 3601, 3809, 7479, 7911, 10803, 11427, 32409, 34281, 81161, 97227, 102843, 243483, 730449, 1055093, 2191347, 3165279, 9495837, 28487511]

約数ペア:

[(1, 28487511), (3, 9495837), (9, 3165279), (13, 2191347), (27, 1055093), (39, 730449), (117, 243483), (277, 102843), (293, 97227), (351, 81161), (831, 34281), (879, 32409), (2493, 11427), (2637, 10803), (3601, 7911), (3809, 7479)]