78649557

素因数分解:

$3^1\times 7^4\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 40

約数和(自身を含む): 125036640

約数和(自身を除く): 46387083

約数列:

[1, 3, 7, 21, 49, 61, 147, 179, 183, 343, 427, 537, 1029, 1253, 1281, 2401, 2989, 3759, 7203, 8771, 8967, 10919, 20923, 26313, 32757, 61397, 62769, 76433, 146461, 184191, 229299, 429779, 439383, 535031, 1289337, 1605093, 3745217, 11235651, 26216519, 78649557]

約数ペア:

[(1, 78649557), (3, 26216519), (7, 11235651), (21, 3745217), (49, 1605093), (61, 1289337), (147, 535031), (179, 439383), (183, 429779), (343, 229299), (427, 184191), (537, 146461), (1029, 76433), (1253, 62769), (1281, 61397), (2401, 32757), (2989, 26313), (3759, 20923), (7203, 10919), (8771, 8967)]