28234365

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 48128256

約数和(自身を除く): 19893891

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 263, 421, 789, 1263, 1315, 2105, 3945, 4471, 6315, 7157, 13413, 21471, 22355, 35785, 67065, 107355, 110723, 332169, 553615, 1660845, 1882291, 5646873, 9411455, 28234365]

約数ペア:

[(1, 28234365), (3, 9411455), (5, 5646873), (15, 1882291), (17, 1660845), (51, 553615), (85, 332169), (255, 110723), (263, 107355), (421, 67065), (789, 35785), (1263, 22355), (1315, 21471), (2105, 13413), (3945, 7157), (4471, 6315)]