81112405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{34297}}^1$

素因数の和:34356

約数の個数: 16

約数和(自身を含む): 108656064

約数和(自身を除く): 27543659

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 34297, 171485, 377267, 1474771, 1886335, 7373855, 16222481, 81112405]

約数ペア:

[(1, 81112405), (5, 16222481), (11, 7373855), (43, 1886335), (55, 1474771), (215, 377267), (473, 171485), (2365, 34297)]