664261695

素因数分解:

$3^3\times 5^1\times {\mathrm{4920457}}^1$

素因数の和:4920471

約数の個数: 16

約数和(自身を含む): 1180909920

約数和(自身を除く): 516648225

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 4920457, 14761371, 24602285, 44284113, 73806855, 132852339, 221420565, 664261695]

約数ペア:

[(1, 664261695), (3, 221420565), (5, 132852339), (9, 73806855), (15, 44284113), (27, 24602285), (45, 14761371), (135, 4920457)]