128722011

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{3889}}^1$

素因数の和:3979

約数の個数: 32

約数和(自身を含む): 201657600

約数和(自身を除く): 72935589

約数列:

[1, 3, 11, 17, 33, 51, 59, 177, 187, 561, 649, 1003, 1947, 3009, 3889, 11033, 11667, 33099, 42779, 66113, 128337, 198339, 229451, 688353, 727243, 2181729, 2523961, 3900667, 7571883, 11702001, 42907337, 128722011]

約数ペア:

[(1, 128722011), (3, 42907337), (11, 11702001), (17, 7571883), (33, 3900667), (51, 2523961), (59, 2181729), (177, 727243), (187, 688353), (561, 229451), (649, 198339), (1003, 128337), (1947, 66113), (3009, 42779), (3889, 33099), (11033, 11667)]