64939785

素因数分解:

$3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{6733}}^1$

素因数の和:7384

約数の個数: 16

約数和(自身を含む): 104080704

約数和(自身を除く): 39140919

約数列:

[1, 3, 5, 15, 643, 1929, 3215, 6733, 9645, 20199, 33665, 100995, 4329319, 12987957, 21646595, 64939785]

約数ペア:

[(1, 64939785), (3, 21646595), (5, 12987957), (15, 4329319), (643, 100995), (1929, 33665), (3215, 20199), (6733, 9645)]