51390573

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 78274560

約数和(自身を除く): 26883987

約数列:

[1, 3, 13, 19, 39, 57, 223, 247, 311, 669, 741, 933, 2899, 4043, 4237, 5909, 8697, 12129, 12711, 17727, 55081, 69353, 76817, 165243, 208059, 230451, 901589, 1317707, 2704767, 3953121, 17130191, 51390573]

約数ペア:

[(1, 51390573), (3, 17130191), (13, 3953121), (19, 2704767), (39, 1317707), (57, 901589), (223, 230451), (247, 208059), (311, 165243), (669, 76817), (741, 69353), (933, 55081), (2899, 17727), (4043, 12711), (4237, 12129), (5909, 8697)]