105445557

素因数分解:

$3^4\times 7^1\times {\mathrm{185971}}^1$

素因数の和:185990

約数の個数: 20

約数和(自身を含む): 180020896

約数和(自身を除く): 74575339

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 185971, 557913, 1301797, 1673739, 3905391, 5021217, 11716173, 15063651, 35148519, 105445557]

約数ペア:

[(1, 105445557), (3, 35148519), (7, 15063651), (9, 11716173), (21, 5021217), (27, 3905391), (63, 1673739), (81, 1301797), (189, 557913), (567, 185971)]