42390261

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{823}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 62986560

約数和(自身を除く): 20596299

約数列:

[1, 3, 9, 59, 97, 177, 291, 531, 823, 873, 2469, 5723, 7407, 17169, 48557, 51507, 79831, 145671, 239493, 437013, 718479, 4710029, 14130087, 42390261]

約数ペア:

[(1, 42390261), (3, 14130087), (9, 4710029), (59, 718479), (97, 437013), (177, 239493), (291, 145671), (531, 79831), (823, 51507), (873, 48557), (2469, 17169), (5723, 7407)]