7889769

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 13041600

約数和(自身を除く): 5151831

約数列:

[1, 3, 9, 19, 29, 37, 43, 57, 87, 111, 129, 171, 261, 333, 387, 551, 703, 817, 1073, 1247, 1591, 1653, 2109, 2451, 3219, 3741, 4773, 4959, 6327, 7353, 9657, 11223, 14319, 20387, 23693, 30229, 46139, 61161, 71079, 90687, 138417, 183483, 213237, 272061, 415251, 876641, 2629923, 7889769]

約数ペア:

[(1, 7889769), (3, 2629923), (9, 876641), (19, 415251), (29, 272061), (37, 213237), (43, 183483), (57, 138417), (87, 90687), (111, 71079), (129, 61161), (171, 46139), (261, 30229), (333, 23693), (387, 20387), (551, 14319), (703, 11223), (817, 9657), (1073, 7353), (1247, 6327), (1591, 4959), (1653, 4773), (2109, 3741), (2451, 3219)]