81218490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{2707283}}^1$

素因数の和:2707293

約数の個数: 16

約数和(自身を含む): 194924448

約数和(自身を除く): 113705958

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 2707283, 5414566, 8121849, 13536415, 16243698, 27072830, 40609245, 81218490]

約数ペア:

[(1, 81218490), (2, 40609245), (3, 27072830), (5, 16243698), (6, 13536415), (10, 8121849), (15, 5414566), (30, 2707283)]