16229619

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2056

約数の個数: 32

約数和(自身を含む): 28131840

約数和(自身を除く): 11902221

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 1997, 2709, 5991, 8127, 13979, 17973, 41937, 53919, 85871, 125811, 257613, 377433, 601097, 772839, 1803291, 2318517, 5409873, 16229619]

約数ペア:

[(1, 16229619), (3, 5409873), (7, 2318517), (9, 1803291), (21, 772839), (27, 601097), (43, 377433), (63, 257613), (129, 125811), (189, 85871), (301, 53919), (387, 41937), (903, 17973), (1161, 13979), (1997, 8127), (2709, 5991)]