172920979

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{1873}}^1$

素因数の和:2011

約数の個数: 24

約数和(自身を含む): 219332960

約数和(自身を除く): 46411981

約数列:

[1, 7, 11, 77, 109, 121, 763, 847, 1199, 1873, 8393, 13111, 13189, 20603, 92323, 144221, 204157, 226633, 1429099, 1586431, 2245727, 15720089, 24702997, 172920979]

約数ペア:

[(1, 172920979), (7, 24702997), (11, 15720089), (77, 2245727), (109, 1586431), (121, 1429099), (763, 226633), (847, 204157), (1199, 144221), (1873, 92323), (8393, 20603), (13111, 13189)]