63639963

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{857}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 94942848

約数和(自身を除く): 31302885

約数列:

[1, 3, 9, 37, 111, 223, 333, 669, 857, 2007, 2571, 7713, 8251, 24753, 31709, 74259, 95127, 191111, 285381, 573333, 1719999, 7071107, 21213321, 63639963]

約数ペア:

[(1, 63639963), (3, 21213321), (9, 7071107), (37, 1719999), (111, 573333), (223, 285381), (333, 191111), (669, 95127), (857, 74259), (2007, 31709), (2571, 24753), (7713, 8251)]