81350001

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{52859}}^1$

素因数の和:52890

約数の個数: 20

約数和(自身を含む): 127921200

約数和(自身を除く): 46571199

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 52859, 158577, 475731, 1004321, 1427193, 3012963, 4281579, 9038889, 27116667, 81350001]

約数ペア:

[(1, 81350001), (3, 27116667), (9, 9038889), (19, 4281579), (27, 3012963), (57, 1427193), (81, 1004321), (171, 475731), (513, 158577), (1539, 52859)]