123990111

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{63487}}^1$

素因数の和:63531

約数の個数: 24

約数和(自身を含む): 211288064

約数和(自身を除く): 87297953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 63487, 190461, 444409, 571383, 1333227, 1968097, 3999681, 5904291, 13776679, 17712873, 41330037, 123990111]

約数ペア:

[(1, 123990111), (3, 41330037), (7, 17712873), (9, 13776679), (21, 5904291), (31, 3999681), (63, 1968097), (93, 1333227), (217, 571383), (279, 444409), (651, 190461), (1953, 63487)]