40881267

素因数分解:

$3^4\times 7^1\times {\mathrm{72101}}^1$

素因数の和:72120

約数の個数: 20

約数和(自身を含む): 69794736

約数和(自身を除く): 28913469

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 72101, 216303, 504707, 648909, 1514121, 1946727, 4542363, 5840181, 13627089, 40881267]

約数ペア:

[(1, 40881267), (3, 13627089), (7, 5840181), (9, 4542363), (21, 1946727), (27, 1514121), (63, 648909), (81, 504707), (189, 216303), (567, 72101)]