20161279971

素因数分解:

$3^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{198647}}^1$

素因数の和:198845

約数の個数: 40

約数和(自身を含む): 34612427520

約数和(自身を除く): 14451147549

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 179, 189, 537, 567, 1253, 1611, 3759, 4833, 11277, 14499, 33831, 101493, 198647, 595941, 1390529, 1787823, 4171587, 5363469, 12514761, 16090407, 35557813, 37544283, 106673439, 112632849, 248904691, 320020317, 746714073, 960060951, 2240142219, 2880182853, 6720426657, 20161279971]

約数ペア:

[(1, 20161279971), (3, 6720426657), (7, 2880182853), (9, 2240142219), (21, 960060951), (27, 746714073), (63, 320020317), (81, 248904691), (179, 112632849), (189, 106673439), (537, 37544283), (567, 35557813), (1253, 16090407), (1611, 12514761), (3759, 5363469), (4833, 4171587), (11277, 1787823), (14499, 1390529), (33831, 595941), (101493, 198647)]