78480549

素因数分解:

$3^3\times 7^1\times {\mathrm{617}}^1\times {\mathrm{673}}^1$

素因数の和:1306

約数の個数: 32

約数和(自身を含む): 133290240

約数和(自身を除く): 54809691

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 617, 673, 1851, 2019, 4319, 4711, 5553, 6057, 12957, 14133, 16659, 18171, 38871, 42399, 116613, 127197, 415241, 1245723, 2906687, 3737169, 8720061, 11211507, 26160183, 78480549]

約数ペア:

[(1, 78480549), (3, 26160183), (7, 11211507), (9, 8720061), (21, 3737169), (27, 2906687), (63, 1245723), (189, 415241), (617, 127197), (673, 116613), (1851, 42399), (2019, 38871), (4319, 18171), (4711, 16659), (5553, 14133), (6057, 12957)]