30987429

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19979}}^1$

素因数の和:20040

約数の個数: 16

約数和(自身を含む): 46033920

約数和(自身を除く): 15046491

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 19979, 59937, 219769, 659307, 939013, 2817039, 10329143, 30987429]

約数ペア:

[(1, 30987429), (3, 10329143), (11, 2817039), (33, 939013), (47, 659307), (141, 219769), (517, 59937), (1551, 19979)]