81620703

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{34747}}^1$

素因数の和:34788

約数の個数: 20

約数和(自身を含む): 126135240

約数和(自身を除く): 44514537

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 34747, 104241, 312723, 938169, 1007663, 2814507, 3022989, 9068967, 27206901, 81620703]

約数ペア:

[(1, 81620703), (3, 27206901), (9, 9068967), (27, 3022989), (29, 2814507), (81, 1007663), (87, 938169), (261, 312723), (783, 104241), (2349, 34747)]