28390983

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3251}}^1$

素因数の和:3366

約数の個数: 16

約数和(自身を含む): 39336192

約数和(自身を除く): 10945209

約数列:

[1, 3, 41, 71, 123, 213, 2911, 3251, 8733, 9753, 133291, 230821, 399873, 692463, 9463661, 28390983]

約数ペア:

[(1, 28390983), (3, 9463661), (41, 692463), (71, 399873), (123, 230821), (213, 133291), (2911, 9753), (3251, 8733)]