78782121

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{7879}}^1$

素因数の和:7997

約数の個数: 24

約数和(自身を含む): 125386560

約数和(自身を除く): 46604439

約数列:

[1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 3333, 7879, 9999, 23637, 70911, 86669, 260007, 780021, 795779, 2387337, 7162011, 8753569, 26260707, 78782121]

約数ペア:

[(1, 78782121), (3, 26260707), (9, 8753569), (11, 7162011), (33, 2387337), (99, 795779), (101, 780021), (303, 260007), (909, 86669), (1111, 70911), (3333, 23637), (7879, 9999)]