201640923

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{28687}}^1$

素因数の和:28775

約数の個数: 24

約数和(自身を含む): 322223616

約数和(自身を除く): 120582693

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 7029, 28687, 86061, 258183, 315557, 946671, 2036777, 2840013, 6110331, 18330993, 22404547, 67213641, 201640923]

約数ペア:

[(1, 201640923), (3, 67213641), (9, 22404547), (11, 18330993), (33, 6110331), (71, 2840013), (99, 2036777), (213, 946671), (639, 315557), (781, 258183), (2343, 86061), (7029, 28687)]