199670859

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 301996800

約数和(自身を除く): 102325941

約数列:

[1, 3, 9, 27, 83, 139, 249, 417, 641, 747, 1251, 1923, 2241, 3753, 5769, 11537, 17307, 34611, 53203, 89099, 103833, 159609, 267297, 311499, 478827, 801891, 1436481, 2405673, 7395217, 22185651, 66556953, 199670859]

約数ペア:

[(1, 199670859), (3, 66556953), (9, 22185651), (27, 7395217), (83, 2405673), (139, 1436481), (249, 801891), (417, 478827), (641, 311499), (747, 267297), (1251, 159609), (1923, 103833), (2241, 89099), (3753, 53203), (5769, 34611), (11537, 17307)]