39289887

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15991}}^1$

素因数の和:16020

約数の個数: 32

約数和(自身を含む): 71644160

約数和(自身を除く): 32354273

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 15991, 47973, 111937, 143919, 207883, 335811, 431757, 623649, 1007433, 1455181, 1870947, 3022299, 4365543, 5612841, 13096629, 39289887]

約数ペア:

[(1, 39289887), (3, 13096629), (7, 5612841), (9, 4365543), (13, 3022299), (21, 1870947), (27, 1455181), (39, 1007433), (63, 623649), (91, 431757), (117, 335811), (189, 207883), (273, 143919), (351, 111937), (819, 47973), (2457, 15991)]