425007

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:82

約数の個数: 28

約数和(自身を含む): 708264

約数和(自身を除く): 283257

約数列:

[1, 3, 9, 11, 27, 33, 53, 81, 99, 159, 243, 297, 477, 583, 729, 891, 1431, 1749, 2673, 4293, 5247, 8019, 12879, 15741, 38637, 47223, 141669, 425007]

約数ペア:

[(1, 425007), (3, 141669), (9, 47223), (11, 38637), (27, 15741), (33, 12879), (53, 8019), (81, 5247), (99, 4293), (159, 2673), (243, 1749), (297, 1431), (477, 891), (583, 729)]