2979949707

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{487637}}^1$

素因数の和:487747

約数の個数: 24

約数和(自身を含む): 4970006496

約数和(自身を除く): 1990056789

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 6111, 487637, 1462911, 3413459, 4388733, 10240377, 30721131, 47300789, 141902367, 331105523, 425707101, 993316569, 2979949707]

約数ペア:

[(1, 2979949707), (3, 993316569), (7, 425707101), (9, 331105523), (21, 141902367), (63, 47300789), (97, 30721131), (291, 10240377), (679, 4388733), (873, 3413459), (2037, 1462911), (6111, 487637)]