81141221

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{10177}}^1$

素因数の和:10268

約数の個数: 16

約数和(自身を含む): 99662976

約数和(自身を除く): 18521755

約数列:

[1, 7, 17, 67, 119, 469, 1139, 7973, 10177, 71239, 173009, 681859, 1211063, 4773013, 11591603, 81141221]

約数ペア:

[(1, 81141221), (7, 11591603), (17, 4773013), (67, 1211063), (119, 681859), (469, 173009), (1139, 71239), (7973, 10177)]