28387539

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4049}}^1$

素因数の和:4115

約数の個数: 24

約数和(自身を含む): 44226000

約数和(自身を除く): 15838461

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 4049, 7011, 12147, 36441, 76931, 166009, 230793, 498027, 692379, 1494081, 3154171, 9462513, 28387539]

約数ペア:

[(1, 28387539), (3, 9462513), (9, 3154171), (19, 1494081), (41, 692379), (57, 498027), (123, 230793), (171, 166009), (369, 76931), (779, 36441), (2337, 12147), (4049, 7011)]