2689947

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 4250064

約数和(自身を除く): 1560117

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 277, 747, 831, 1079, 2493, 3237, 3601, 9711, 10803, 22991, 32409, 68973, 206919, 298883, 896649, 2689947]

約数ペア:

[(1, 2689947), (3, 896649), (9, 298883), (13, 206919), (39, 68973), (83, 32409), (117, 22991), (249, 10803), (277, 9711), (747, 3601), (831, 3237), (1079, 2493)]