2155335

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1579}}^1$

素因数の和:1607

約数の個数: 32

約数和(自身を含む): 4247040

約数和(自身を除く): 2091705

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 1579, 4737, 7895, 11053, 20527, 23685, 33159, 55265, 61581, 102635, 143689, 165795, 307905, 431067, 718445, 2155335]

約数ペア:

[(1, 2155335), (3, 718445), (5, 431067), (7, 307905), (13, 165795), (15, 143689), (21, 102635), (35, 61581), (39, 55265), (65, 33159), (91, 23685), (105, 20527), (195, 11053), (273, 7895), (455, 4737), (1365, 1579)]