28135815

素因数分解:

$3^1\times 5^1\times {\mathrm{601}}^1\times {\mathrm{3121}}^1$

素因数の和:3730

約数の個数: 16

約数和(自身を含む): 45106656

約数和(自身を除く): 16970841

約数列:

[1, 3, 5, 15, 601, 1803, 3005, 3121, 9015, 9363, 15605, 46815, 1875721, 5627163, 9378605, 28135815]

約数ペア:

[(1, 28135815), (3, 9378605), (5, 5627163), (15, 1875721), (601, 46815), (1803, 15605), (3005, 9363), (3121, 9015)]