71820879

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 106740480

約数和(自身を除く): 34919601

約数列:

[1, 3, 13, 39, 43, 113, 129, 339, 379, 559, 1137, 1469, 1677, 4407, 4859, 4927, 14577, 14781, 16297, 42827, 48891, 63167, 128481, 189501, 211861, 556751, 635583, 1670253, 1841561, 5524683, 23940293, 71820879]

約数ペア:

[(1, 71820879), (3, 23940293), (13, 5524683), (39, 1841561), (43, 1670253), (113, 635583), (129, 556751), (339, 211861), (379, 189501), (559, 128481), (1137, 63167), (1469, 48891), (1677, 42827), (4407, 16297), (4859, 14781), (4927, 14577)]