81898695

素因数分解:

$3^4\times 5^1\times {\mathrm{202219}}^1$

素因数の和:202236

約数の個数: 20

約数和(自身を含む): 146811720

約数和(自身を除く): 64913025

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 202219, 606657, 1011095, 1819971, 3033285, 5459913, 9099855, 16379739, 27299565, 81898695]

約数ペア:

[(1, 81898695), (3, 27299565), (5, 16379739), (9, 9099855), (15, 5459913), (27, 3033285), (45, 1819971), (81, 1011095), (135, 606657), (405, 202219)]