66681601

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{3187}}^1$

素因数の和:3269

約数の個数: 16

約数和(自身を含む): 79062400

約数和(自身を除く): 12380799

約数列:

[1, 7, 49, 61, 343, 427, 2989, 3187, 20923, 22309, 156163, 194407, 1093141, 1360849, 9525943, 66681601]

約数ペア:

[(1, 66681601), (7, 9525943), (49, 1360849), (61, 1093141), (343, 194407), (427, 156163), (2989, 22309), (3187, 20923)]