51511329

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 80467200

約数和(自身を除く): 28955871

約数列:

[1, 3, 9, 23, 27, 69, 109, 207, 327, 621, 761, 981, 2283, 2507, 2943, 6849, 7521, 17503, 20547, 22563, 52509, 67689, 82949, 157527, 248847, 472581, 746541, 1907827, 2239623, 5723481, 17170443, 51511329]

約数ペア:

[(1, 51511329), (3, 17170443), (9, 5723481), (23, 2239623), (27, 1907827), (69, 746541), (109, 472581), (207, 248847), (327, 157527), (621, 82949), (761, 67689), (981, 52509), (2283, 22563), (2507, 20547), (2943, 17503), (6849, 7521)]