28043739

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{15053}}^1$

素因数の和:15088

約数の個数: 20

約数和(自身を含む): 43716816

約数和(自身を除く): 15673077

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 15053, 45159, 135477, 346219, 406431, 1038657, 1219293, 3115971, 9347913, 28043739]

約数ペア:

[(1, 28043739), (3, 9347913), (9, 3115971), (23, 1219293), (27, 1038657), (69, 406431), (81, 346219), (207, 135477), (621, 45159), (1863, 15053)]