218907927

素因数分解:

$3^4\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1657}}^1$

素因数の和:1909

約数の個数: 40

約数和(自身を含む): 375556896

約数和(自身を除く): 156648969

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 233, 567, 699, 1631, 1657, 2097, 4893, 4971, 6291, 11599, 14679, 14913, 18873, 34797, 44037, 44739, 104391, 132111, 134217, 313173, 386081, 939519, 1158243, 2702567, 3474729, 8107701, 10424187, 24323103, 31272561, 72969309, 218907927]

約数ペア:

[(1, 218907927), (3, 72969309), (7, 31272561), (9, 24323103), (21, 10424187), (27, 8107701), (63, 3474729), (81, 2702567), (189, 1158243), (233, 939519), (567, 386081), (699, 313173), (1631, 134217), (1657, 132111), (2097, 104391), (4893, 44739), (4971, 44037), (6291, 34797), (11599, 18873), (14679, 14913)]