28262685

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1663}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 49840128

約数和(自身を除く): 21577443

約数列:

[1, 3, 5, 11, 15, 33, 55, 103, 165, 309, 515, 1133, 1545, 1663, 3399, 4989, 5665, 8315, 16995, 18293, 24945, 54879, 91465, 171289, 274395, 513867, 856445, 1884179, 2569335, 5652537, 9420895, 28262685]

約数ペア:

[(1, 28262685), (3, 9420895), (5, 5652537), (11, 2569335), (15, 1884179), (33, 856445), (55, 513867), (103, 274395), (165, 171289), (309, 91465), (515, 54879), (1133, 24945), (1545, 18293), (1663, 16995), (3399, 8315), (4989, 5665)]