142712847

素因数分解:

$3^4\times {\mathrm{547}}^1\times {\mathrm{3221}}^1$

素因数の和:3780

約数の個数: 20

約数和(自身を含む): 213644376

約数和(自身を除く): 70931529

約数列:

[1, 3, 9, 27, 81, 547, 1641, 3221, 4923, 9663, 14769, 28989, 44307, 86967, 260901, 1761887, 5285661, 15856983, 47570949, 142712847]

約数ペア:

[(1, 142712847), (3, 47570949), (9, 15856983), (27, 5285661), (81, 1761887), (547, 260901), (1641, 86967), (3221, 44307), (4923, 28989), (9663, 14769)]