2543877

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 4243200

約数和(自身を除く): 1699323

約数列:

[1, 3, 7, 9, 21, 63, 149, 271, 447, 813, 1043, 1341, 1897, 2439, 3129, 5691, 9387, 17073, 40379, 121137, 282653, 363411, 847959, 2543877]

約数ペア:

[(1, 2543877), (3, 847959), (7, 363411), (9, 282653), (21, 121137), (63, 40379), (149, 17073), (271, 9387), (447, 5691), (813, 3129), (1043, 2439), (1341, 1897)]