2017390887

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 3179606400

約数和(自身を除く): 1162215513

約数列:

[1, 3, 9, 27, 29, 53, 87, 159, 173, 261, 281, 477, 519, 783, 843, 1431, 1537, 1557, 2529, 4611, 4671, 5017, 7587, 8149, 9169, 13833, 14893, 15051, 24447, 27507, 41499, 44679, 45153, 48613, 73341, 82521, 134037, 135459, 145839, 220023, 247563, 265901, 402111, 431897, 437517, 797703, 1295691, 1312551, 1409777, 2393109, 2576489, 3887073, 4229331, 7179327, 7729467, 11661219, 12687993, 23188401, 38063979, 69565203, 74718181, 224154543, 672463629, 2017390887]

約数ペア:

[(1, 2017390887), (3, 672463629), (9, 224154543), (27, 74718181), (29, 69565203), (53, 38063979), (87, 23188401), (159, 12687993), (173, 11661219), (261, 7729467), (281, 7179327), (477, 4229331), (519, 3887073), (783, 2576489), (843, 2393109), (1431, 1409777), (1537, 1312551), (1557, 1295691), (2529, 797703), (4611, 437517), (4671, 431897), (5017, 402111), (7587, 265901), (8149, 247563), (9169, 220023), (13833, 145839), (14893, 135459), (15051, 134037), (24447, 82521), (27507, 73341), (41499, 48613), (44679, 45153)]