1275246721

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{345689}}^1$

素因数の和:345744

約数の個数: 16

約数和(自身を含む): 1592939520

約数和(自身を除く): 317692799

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 345689, 2419823, 5876713, 10716359, 41136991, 75014513, 182178103, 1275246721]

約数ペア:

[(1, 1275246721), (7, 182178103), (17, 75014513), (31, 41136991), (119, 10716359), (217, 5876713), (527, 2419823), (3689, 345689)]