656829

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:88

約数の個数: 28

約数和(自身を含む): 1062396

約数和(自身を除く): 405567

約数列:

[1, 3, 9, 17, 27, 51, 53, 81, 153, 159, 243, 459, 477, 729, 901, 1377, 1431, 2703, 4131, 4293, 8109, 12393, 12879, 24327, 38637, 72981, 218943, 656829]

約数ペア:

[(1, 656829), (3, 218943), (9, 72981), (17, 38637), (27, 24327), (51, 12879), (53, 12393), (81, 8109), (153, 4293), (159, 4131), (243, 2703), (459, 1431), (477, 1377), (729, 901)]