28387635

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{769}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 19512525

約数列:

[1, 3, 5, 15, 23, 69, 107, 115, 321, 345, 535, 769, 1605, 2307, 2461, 3845, 7383, 11535, 12305, 17687, 36915, 53061, 82283, 88435, 246849, 265305, 411415, 1234245, 1892509, 5677527, 9462545, 28387635]

約数ペア:

[(1, 28387635), (3, 9462545), (5, 5677527), (15, 1892509), (23, 1234245), (69, 411415), (107, 265305), (115, 246849), (321, 88435), (345, 82283), (535, 53061), (769, 36915), (1605, 17687), (2307, 12305), (2461, 11535), (3845, 7383)]