201640387581

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{24647401}}^1$

素因数の和:24647514

約数の個数: 20

約数和(自身を含む): 304198235484

約数和(自身を除く): 102557847903

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 8181, 24647401, 73942203, 221826609, 665479827, 1996439481, 2489387501, 7468162503, 22404487509, 67213462527, 201640387581]

約数ペア:

[(1, 201640387581), (3, 67213462527), (9, 22404487509), (27, 7468162503), (81, 2489387501), (101, 1996439481), (303, 665479827), (909, 221826609), (2727, 73942203), (8181, 24647401)]