128704311

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{1487}}^1$

素因数の和:1715

約数の個数: 24

約数和(自身を含む): 190344960

約数和(自身を除く): 61640649

約数列:

[1, 3, 9, 59, 163, 177, 489, 531, 1467, 1487, 4461, 9617, 13383, 28851, 86553, 87733, 242381, 263199, 727143, 789597, 2181429, 14300479, 42901437, 128704311]

約数ペア:

[(1, 128704311), (3, 42901437), (9, 14300479), (59, 2181429), (163, 789597), (177, 727143), (489, 263199), (531, 242381), (1467, 87733), (1487, 86553), (4461, 28851), (9617, 13383)]