90782979

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1087}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 143302656

約数和(自身を除く): 52519677

約数列:

[1, 3, 7, 21, 41, 97, 123, 287, 291, 679, 861, 1087, 2037, 3261, 3977, 7609, 11931, 22827, 27839, 44567, 83517, 105439, 133701, 311969, 316317, 738073, 935907, 2214219, 4322999, 12968997, 30260993, 90782979]

約数ペア:

[(1, 90782979), (3, 30260993), (7, 12968997), (21, 4322999), (41, 2214219), (97, 935907), (123, 738073), (287, 316317), (291, 311969), (679, 133701), (861, 105439), (1087, 83517), (2037, 44567), (3261, 27839), (3977, 22827), (7609, 11931)]