53321409

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{2503}}^1$

素因数の和:2778

約数の個数: 20

約数和(自身を含む): 79987776

約数和(自身を除く): 26666367

約数列:

[1, 3, 9, 27, 81, 263, 789, 2367, 2503, 7101, 7509, 21303, 22527, 67581, 202743, 658289, 1974867, 5924601, 17773803, 53321409]

約数ペア:

[(1, 53321409), (3, 17773803), (9, 5924601), (27, 1974867), (81, 658289), (263, 202743), (789, 67581), (2367, 22527), (2503, 21303), (7101, 7509)]