8974719

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:978

約数の個数: 28

約数和(自身を含む): 14506296

約数和(自身を除く): 5531577

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 947, 1053, 2841, 3159, 8523, 9477, 12311, 25569, 36933, 76707, 110799, 230121, 332397, 690363, 997191, 2991573, 8974719]

約数ペア:

[(1, 8974719), (3, 2991573), (9, 997191), (13, 690363), (27, 332397), (39, 230121), (81, 110799), (117, 76707), (243, 36933), (351, 25569), (729, 12311), (947, 9477), (1053, 8523), (2841, 3159)]