40212909

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1907}}^1$

素因数の和:1998

約数の個数: 32

約数和(自身を含む): 65940480

約数和(自身を除く): 25727571

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 1907, 1917, 2343, 5721, 7029, 17163, 20977, 21087, 51489, 62931, 135397, 188793, 406191, 566379, 1218573, 1489367, 3655719, 4468101, 13404303, 40212909]

約数ペア:

[(1, 40212909), (3, 13404303), (9, 4468101), (11, 3655719), (27, 1489367), (33, 1218573), (71, 566379), (99, 406191), (213, 188793), (297, 135397), (639, 62931), (781, 51489), (1907, 21087), (1917, 20977), (2343, 17163), (5721, 7029)]