199188143

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{21379}}^1$

素因数の和:21419

約数の個数: 16

約数和(自身を含む): 250402560

約数和(自身を除く): 51214417

約数列:

[1, 7, 11, 77, 121, 847, 1331, 9317, 21379, 149653, 235169, 1646183, 2586859, 18108013, 28455449, 199188143]

約数ペア:

[(1, 199188143), (7, 28455449), (11, 18108013), (77, 2586859), (121, 1646183), (847, 235169), (1331, 149653), (9317, 21379)]