17790721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 20563200

約数和(自身を除く): 2772479

約数列:

[1, 13, 17, 79, 221, 1019, 1027, 1343, 13247, 17323, 17459, 80501, 225199, 1046513, 1368517, 17790721]

約数ペア:

[(1, 17790721), (13, 1368517), (17, 1046513), (79, 225199), (221, 80501), (1019, 17459), (1027, 17323), (1343, 13247)]