81018567

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{34757}}^1$

素因数の和:34807

約数の個数: 24

約数和(自身を含む): 137363616

約数和(自身を除く): 56345049

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 34757, 104271, 243299, 312813, 729897, 1286009, 2189691, 3858027, 9002063, 11574081, 27006189, 81018567]

約数ペア:

[(1, 81018567), (3, 27006189), (7, 11574081), (9, 9002063), (21, 3858027), (37, 2189691), (63, 1286009), (111, 729897), (259, 312813), (333, 243299), (777, 104271), (2331, 34757)]