51003009

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{19609}}^1$

素因数の和:19649

約数の個数: 18

約数和(自身を含む): 78263510

約数和(自身を除く): 27260501

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 19609, 58827, 176481, 333353, 1000059, 3000177, 5667001, 17001003, 51003009]

約数ペア:

[(1, 51003009), (3, 17001003), (9, 5667001), (17, 3000177), (51, 1000059), (153, 333353), (289, 176481), (867, 58827), (2601, 19609)]