172958121

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1103}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 303114240

約数和(自身を除く): 130156119

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 131, 133, 171, 393, 399, 917, 1103, 1179, 1197, 2489, 2751, 3309, 7467, 7721, 8253, 9927, 17423, 20957, 22401, 23163, 52269, 62871, 69489, 144493, 146699, 156807, 188613, 433479, 440097, 1011451, 1300437, 1320291, 2745367, 3034353, 8236101, 9103059, 19217569, 24708303, 57652707, 172958121]

約数ペア:

[(1, 172958121), (3, 57652707), (7, 24708303), (9, 19217569), (19, 9103059), (21, 8236101), (57, 3034353), (63, 2745367), (131, 1320291), (133, 1300437), (171, 1011451), (393, 440097), (399, 433479), (917, 188613), (1103, 156807), (1179, 146699), (1197, 144493), (2489, 69489), (2751, 62871), (3309, 52269), (7467, 23163), (7721, 22401), (8253, 20957), (9927, 17423)]