28084563

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:353

約数の個数: 40

約数和(自身を含む): 45738000

約数和(自身を除く): 17653437

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 149, 179, 351, 447, 537, 1053, 1341, 1611, 1937, 2327, 4023, 4833, 5811, 6981, 12069, 14499, 17433, 20943, 26671, 52299, 62829, 80013, 156897, 188487, 240039, 346723, 720117, 1040169, 2160351, 3120507, 9361521, 28084563]

約数ペア:

[(1, 28084563), (3, 9361521), (9, 3120507), (13, 2160351), (27, 1040169), (39, 720117), (81, 346723), (117, 240039), (149, 188487), (179, 156897), (351, 80013), (447, 62829), (537, 52299), (1053, 26671), (1341, 20943), (1611, 17433), (1937, 14499), (2327, 12069), (4023, 6981), (4833, 5811)]