2091886419

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1403009}}^1$

素因数の和:1403090

約数の個数: 16

約数和(自身を含む): 3232535040

約数和(自身を除く): 1140648621

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1403009, 4209027, 9821063, 29463189, 99613639, 298840917, 697295473, 2091886419]

約数ペア:

[(1, 2091886419), (3, 697295473), (7, 298840917), (21, 99613639), (71, 29463189), (213, 9821063), (497, 4209027), (1491, 1403009)]