28238475

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5303}}^1$

素因数の和:5387

約数の個数: 24

約数和(自身を含む): 47354112

約数和(自身を除く): 19115637

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5303, 5325, 15909, 26515, 79545, 132575, 376513, 397725, 1129539, 1882565, 5647695, 9412825, 28238475]

約数ペア:

[(1, 28238475), (3, 9412825), (5, 5647695), (15, 1882565), (25, 1129539), (71, 397725), (75, 376513), (213, 132575), (355, 79545), (1065, 26515), (1775, 15909), (5303, 5325)]