30519279

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6823}}^1$

素因数の和:6907

約数の個数: 24

約数和(自身を含む): 51098112

約数和(自身を除く): 20578833

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 6823, 20469, 47761, 61407, 143283, 429849, 484433, 1453299, 3391031, 4359897, 10173093, 30519279]

約数ペア:

[(1, 30519279), (3, 10173093), (7, 4359897), (9, 3391031), (21, 1453299), (63, 484433), (71, 429849), (213, 143283), (497, 61407), (639, 47761), (1491, 20469), (4473, 6823)]