81245339

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1106

約数の個数: 16

約数和(自身を含む): 94799616

約数和(自身を除く): 13554277

約数列:

[1, 7, 67, 211, 469, 821, 1477, 5747, 14137, 55007, 98959, 173231, 385049, 1212617, 11606477, 81245339]

約数ペア:

[(1, 81245339), (7, 11606477), (67, 1212617), (211, 385049), (469, 173231), (821, 98959), (1477, 55007), (5747, 14137)]