12143747

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6857}}^1$

素因数の和:6898

約数の個数: 16

約数和(自身を含む): 15800832

約数和(自身を除く): 3657085

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 6857, 47999, 75427, 157711, 527989, 1103977, 1734821, 12143747]

約数ペア:

[(1, 12143747), (7, 1734821), (11, 1103977), (23, 527989), (77, 157711), (161, 75427), (253, 47999), (1771, 6857)]