86945817

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 136507392

約数和(自身を除く): 49561575

約数列:

[1, 3, 7, 21, 47, 137, 141, 329, 411, 643, 959, 987, 1929, 2877, 4501, 6439, 13503, 19317, 30221, 45073, 88091, 90663, 135219, 211547, 264273, 616637, 634641, 1849911, 4140277, 12420831, 28981939, 86945817]

約数ペア:

[(1, 86945817), (3, 28981939), (7, 12420831), (21, 4140277), (47, 1849911), (137, 634641), (141, 616637), (329, 264273), (411, 211547), (643, 135219), (959, 90663), (987, 88091), (1929, 45073), (2877, 30221), (4501, 19317), (6439, 13503)]