20187927

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10531}}^1$

素因数の和:10611

約数の個数: 16

約数和(自身を含む): 30332160

約数和(自身を除く): 10144233

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10531, 31593, 94779, 284337, 747701, 2243103, 6729309, 20187927]

約数ペア:

[(1, 20187927), (3, 6729309), (9, 2243103), (27, 747701), (71, 284337), (213, 94779), (639, 31593), (1917, 10531)]