217492055

素因数分解:

$5^1\times {\mathrm{11}}^4\times {\mathrm{2971}}^1$

素因数の和:3020

約数の個数: 20

約数和(自身を含む): 287184360

約数和(自身を除く): 69692305

約数列:

[1, 5, 11, 55, 121, 605, 1331, 2971, 6655, 14641, 14855, 32681, 73205, 163405, 359491, 1797455, 3954401, 19772005, 43498411, 217492055]

約数ペア:

[(1, 217492055), (5, 43498411), (11, 19772005), (55, 3954401), (121, 1797455), (605, 359491), (1331, 163405), (2971, 73205), (6655, 32681), (14641, 14855)]