3954987

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:480

約数の個数: 20

約数和(自身を含む): 5964816

約数和(自身を除く): 2009829

約数列:

[1, 3, 9, 27, 81, 157, 311, 471, 933, 1413, 2799, 4239, 8397, 12717, 25191, 48827, 146481, 439443, 1318329, 3954987]

約数ペア:

[(1, 3954987), (3, 1318329), (9, 439443), (27, 146481), (81, 48827), (157, 25191), (311, 12717), (471, 8397), (933, 4239), (1413, 2799)]