81514710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{905719}}^1$

素因数の和:905732

約数の個数: 24

約数和(自身を含む): 211938480

約数和(自身を除く): 130423770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 905719, 1811438, 2717157, 4528595, 5434314, 8151471, 9057190, 13585785, 16302942, 27171570, 40757355, 81514710]

約数ペア:

[(1, 81514710), (2, 40757355), (3, 27171570), (5, 16302942), (6, 13585785), (9, 9057190), (10, 8151471), (15, 5434314), (18, 4528595), (30, 2717157), (45, 1811438), (90, 905719)]