78871947

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3191}}^1$

素因数の和:3319

約数の個数: 32

約数和(自身を含む): 132378624

約数和(自身を除く): 53506677

約数列:

[1, 3, 7, 11, 21, 33, 77, 107, 231, 321, 749, 1177, 2247, 3191, 3531, 8239, 9573, 22337, 24717, 35101, 67011, 105303, 245707, 341437, 737121, 1024311, 2390059, 3755807, 7170177, 11267421, 26290649, 78871947]

約数ペア:

[(1, 78871947), (3, 26290649), (7, 11267421), (11, 7170177), (21, 3755807), (33, 2390059), (77, 1024311), (107, 737121), (231, 341437), (321, 245707), (749, 105303), (1177, 67011), (2247, 35101), (3191, 24717), (3531, 22337), (8239, 9573)]