1921887

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{719}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 3144960

約数和(自身を除く): 1223073

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 719, 891, 2157, 2673, 6471, 7909, 19413, 23727, 58239, 71181, 174717, 213543, 640629, 1921887]

約数ペア:

[(1, 1921887), (3, 640629), (9, 213543), (11, 174717), (27, 71181), (33, 58239), (81, 23727), (99, 19413), (243, 7909), (297, 6471), (719, 2673), (891, 2157)]