28681635

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 49004352

約数和(自身を除く): 20322717

約数列:

[1, 3, 5, 15, 17, 51, 85, 137, 255, 411, 685, 821, 2055, 2329, 2463, 4105, 6987, 11645, 12315, 13957, 34935, 41871, 69785, 112477, 209355, 337431, 562385, 1687155, 1912109, 5736327, 9560545, 28681635]

約数ペア:

[(1, 28681635), (3, 9560545), (5, 5736327), (15, 1912109), (17, 1687155), (51, 562385), (85, 337431), (137, 209355), (255, 112477), (411, 69785), (685, 41871), (821, 34935), (2055, 13957), (2329, 12315), (2463, 11645), (4105, 6987)]