137716929

素因数分解:

$3^4\times 7^1\times {\mathrm{242887}}^1$

素因数の和:242906

約数の個数: 20

約数和(自身を含む): 235115584

約数和(自身を除く): 97398655

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 242887, 728661, 1700209, 2185983, 5100627, 6557949, 15301881, 19673847, 45905643, 137716929]

約数ペア:

[(1, 137716929), (3, 45905643), (7, 19673847), (9, 15301881), (21, 6557949), (27, 5100627), (63, 2185983), (81, 1700209), (189, 728661), (567, 242887)]