397215897

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13933}}^1$

素因数の和:14009

約数の個数: 32

約数和(自身を含む): 618000768

約数和(自身を除く): 220784871

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 221, 559, 663, 731, 1677, 2193, 9503, 13933, 28509, 41799, 181129, 236861, 543387, 599119, 710583, 1797357, 3079193, 7788547, 9237579, 10185023, 23365641, 30555069, 132405299, 397215897]

約数ペア:

[(1, 397215897), (3, 132405299), (13, 30555069), (17, 23365641), (39, 10185023), (43, 9237579), (51, 7788547), (129, 3079193), (221, 1797357), (559, 710583), (663, 599119), (731, 543387), (1677, 236861), (2193, 181129), (9503, 41799), (13933, 28509)]