720990567

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{27691}}^1$

素因数の和:27971

約数の個数: 24

約数和(自身を含む): 1140467328

約数和(自身を除く): 419476761

約数列:

[1, 3, 9, 11, 33, 99, 263, 789, 2367, 2893, 8679, 26037, 27691, 83073, 249219, 304601, 913803, 2741409, 7282733, 21848199, 65544597, 80110063, 240330189, 720990567]

約数ペア:

[(1, 720990567), (3, 240330189), (9, 80110063), (11, 65544597), (33, 21848199), (99, 7282733), (263, 2741409), (789, 913803), (2367, 304601), (2893, 249219), (8679, 83073), (26037, 27691)]