129217021

素因数分解:

${\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 141562080

約数和(自身を除く): 12345059

約数列:

[1, 31, 43, 53, 59, 961, 1333, 1643, 1829, 2279, 2537, 3127, 41323, 50933, 56699, 70649, 78647, 96937, 134461, 2190119, 2438057, 3005047, 4168291, 129217021]

約数ペア:

[(1, 129217021), (31, 4168291), (43, 3005047), (53, 2438057), (59, 2190119), (961, 134461), (1333, 96937), (1643, 78647), (1829, 70649), (2279, 56699), (2537, 50933), (3127, 41323)]