207912987

素因数分解:

$3^6\times {\mathrm{307}}^1\times {\mathrm{929}}^1$

素因数の和:1254

約数の個数: 28

約数和(自身を含む): 313078920

約数和(自身を除く): 105165933

約数列:

[1, 3, 9, 27, 81, 243, 307, 729, 921, 929, 2763, 2787, 8289, 8361, 24867, 25083, 74601, 75249, 223803, 225747, 285203, 677241, 855609, 2566827, 7700481, 23101443, 69304329, 207912987]

約数ペア:

[(1, 207912987), (3, 69304329), (9, 23101443), (27, 7700481), (81, 2566827), (243, 855609), (307, 677241), (729, 285203), (921, 225747), (929, 223803), (2763, 75249), (2787, 74601), (8289, 25083), (8361, 24867)]