77939895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6653}}^1$

素因数の和:6743

約数の個数: 32

約数和(自身を含む): 137977344

約数和(自身を除く): 60037449

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 2343, 3905, 6653, 11715, 19959, 33265, 73183, 99795, 219549, 365915, 472363, 1097745, 1417089, 2361815, 5195993, 7085445, 15587979, 25979965, 77939895]

約数ペア:

[(1, 77939895), (3, 25979965), (5, 15587979), (11, 7085445), (15, 5195993), (33, 2361815), (55, 1417089), (71, 1097745), (165, 472363), (213, 365915), (355, 219549), (781, 99795), (1065, 73183), (2343, 33265), (3905, 19959), (6653, 11715)]