2787499

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:318

約数の個数: 16

約数和(自身を含む): 3324384

約数和(自身を除く): 536885

約数列:

[1, 11, 13, 101, 143, 193, 1111, 1313, 2123, 2509, 14443, 19493, 27599, 214423, 253409, 2787499]

約数ペア:

[(1, 2787499), (11, 253409), (13, 214423), (101, 27599), (143, 19493), (193, 14443), (1111, 2509), (1313, 2123)]