81571029

素因数分解:

$3^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 109887360

約数和(自身を除く): 28316331

約数列:

[1, 3, 241, 257, 439, 723, 771, 1317, 61937, 105799, 112823, 185811, 317397, 338469, 27190343, 81571029]

約数ペア:

[(1, 81571029), (3, 27190343), (241, 338469), (257, 317397), (439, 185811), (723, 112823), (771, 105799), (1317, 61937)]