256768317

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{6217}}^1$

素因数の和:6589

約数の個数: 24

約数和(自身を含む): 400613304

約数和(自身を除く): 143844987

約数列:

[1, 3, 9, 13, 39, 117, 353, 1059, 3177, 4589, 6217, 13767, 18651, 41301, 55953, 80821, 242463, 727389, 2194601, 6583803, 19751409, 28529813, 85589439, 256768317]

約数ペア:

[(1, 256768317), (3, 85589439), (9, 28529813), (13, 19751409), (39, 6583803), (117, 2194601), (353, 727389), (1059, 242463), (3177, 80821), (4589, 55953), (6217, 41301), (13767, 18651)]