30399999

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20389}}^1$

素因数の和:20470

約数の個数: 16

約数和(自身を含む): 46978560

約数和(自身を除く): 16578561

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 20389, 61167, 142723, 428169, 1447619, 4342857, 10133333, 30399999]

約数ペア:

[(1, 30399999), (3, 10133333), (7, 4342857), (21, 1447619), (71, 428169), (213, 142723), (497, 61167), (1491, 20389)]