40247757

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21397}}^1$

素因数の和:21433

約数の個数: 24

約数和(自身を含む): 66761760

約数和(自身を除く): 26514003

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 21397, 64191, 192573, 235367, 406543, 706101, 1219629, 2118303, 3658887, 4471973, 13415919, 40247757]

約数ペア:

[(1, 40247757), (3, 13415919), (9, 4471973), (11, 3658887), (19, 2118303), (33, 1219629), (57, 706101), (99, 406543), (171, 235367), (209, 192573), (627, 64191), (1881, 21397)]