812961279

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3919}}^1$

素因数の和:4141

約数の個数: 40

約数和(自身を含む): 1314815040

約数和(自身を除く): 501853761

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 197, 351, 591, 1053, 1773, 2561, 3919, 5319, 7683, 11757, 15957, 23049, 35271, 50947, 69147, 105813, 152841, 207441, 317439, 458523, 772043, 1375569, 2316129, 4126707, 6948387, 10036559, 20845161, 30109677, 62535483, 90329031, 270987093, 812961279]

約数ペア:

[(1, 812961279), (3, 270987093), (9, 90329031), (13, 62535483), (27, 30109677), (39, 20845161), (81, 10036559), (117, 6948387), (197, 4126707), (351, 2316129), (591, 1375569), (1053, 772043), (1773, 458523), (2561, 317439), (3919, 207441), (5319, 152841), (7683, 105813), (11757, 69147), (15957, 50947), (23049, 35271)]