201721643

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2579}}^1$

素因数の和:2746

約数の個数: 16

約数和(自身を含む): 220682880

約数和(自身を除く): 18961237

約数列:

[1, 17, 43, 107, 731, 1819, 2579, 4601, 43843, 78217, 110897, 275953, 1885249, 4691201, 11865979, 201721643]

約数ペア:

[(1, 201721643), (17, 11865979), (43, 4691201), (107, 1885249), (731, 275953), (1819, 110897), (2579, 78217), (4601, 43843)]