2489777787

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2757229}}^1$

素因数の和:2757282

約数の個数: 16

約数和(自身を含む): 3882179840

約数和(自身を除く): 1392402053

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 2757229, 8271687, 19300603, 57901809, 118560847, 355682541, 829925929, 2489777787]

約数ペア:

[(1, 2489777787), (3, 829925929), (7, 355682541), (21, 118560847), (43, 57901809), (129, 19300603), (301, 8271687), (903, 2757229)]