28197741

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{65729}}^1$

素因数の和:65756

約数の個数: 16

約数和(自身を含む): 44170560

約数和(自身を除く): 15972819

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 65729, 197187, 723019, 854477, 2169057, 2563431, 9399247, 28197741]

約数ペア:

[(1, 28197741), (3, 9399247), (11, 2563431), (13, 2169057), (33, 854477), (39, 723019), (143, 197187), (429, 65729)]