774969981

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{238967}}^1$

素因数の和:239040

約数の個数: 16

約数和(自身を含む): 1101164544

約数和(自身を除く): 326194563

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 238967, 716901, 5496241, 11231449, 16488723, 33694347, 258323327, 774969981]

約数ペア:

[(1, 774969981), (3, 258323327), (23, 33694347), (47, 16488723), (69, 11231449), (141, 5496241), (1081, 716901), (3243, 238967)]