28412775

素因数分解:

$3^6\times 5^2\times {\mathrm{1559}}^1$

素因数の和:1587

約数の個数: 42

約数和(自身を含む): 52857480

約数和(自身を除く): 24444705

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 1559, 2025, 3645, 4677, 6075, 7795, 14031, 18225, 23385, 38975, 42093, 70155, 116925, 126279, 210465, 350775, 378837, 631395, 1052325, 1136511, 1894185, 3156975, 5682555, 9470925, 28412775]

約数ペア:

[(1, 28412775), (3, 9470925), (5, 5682555), (9, 3156975), (15, 1894185), (25, 1136511), (27, 1052325), (45, 631395), (75, 378837), (81, 350775), (135, 210465), (225, 126279), (243, 116925), (405, 70155), (675, 42093), (729, 38975), (1215, 23385), (1559, 18225), (2025, 14031), (3645, 7795), (4677, 6075)]