391020009

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{17789}}^1$

素因数の和:18240

約数の個数: 16

約数和(自身を含む): 553340160

約数和(自身を除く): 162320151

約数列:

[1, 3, 17, 51, 431, 1293, 7327, 17789, 21981, 53367, 302413, 907239, 7667059, 23001177, 130340003, 391020009]

約数ペア:

[(1, 391020009), (3, 130340003), (17, 23001177), (51, 7667059), (431, 907239), (1293, 302413), (7327, 53367), (17789, 21981)]