12181257

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1733}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 19476288

約数和(自身を除く): 7295031

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 1733, 2343, 5199, 7029, 15597, 19063, 57189, 123043, 171567, 369129, 1107387, 1353473, 4060419, 12181257]

約数ペア:

[(1, 12181257), (3, 4060419), (9, 1353473), (11, 1107387), (33, 369129), (71, 171567), (99, 123043), (213, 57189), (639, 19063), (781, 15597), (1733, 7029), (2343, 5199)]