81217199

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{1103}}^1$

素因数の和:1334

約数の個数: 16

約数和(自身を含む): 94891008

約数和(自身を除く): 13673809

約数列:

[1, 7, 67, 157, 469, 1099, 1103, 7721, 10519, 73633, 73901, 173171, 517307, 1212197, 11602457, 81217199]

約数ペア:

[(1, 81217199), (7, 11602457), (67, 1212197), (157, 517307), (469, 173171), (1099, 73901), (1103, 73633), (7721, 10519)]