78853971

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1847}}^1$

素因数の和:1983

約数の個数: 32

約数和(自身を含む): 127733760

約数和(自身を除く): 48879789

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 399, 749, 1847, 2033, 2247, 5541, 6099, 12929, 14231, 35093, 38787, 42693, 105279, 197629, 245651, 592887, 736953, 1383403, 3754951, 4150209, 11264853, 26284657, 78853971]

約数ペア:

[(1, 78853971), (3, 26284657), (7, 11264853), (19, 4150209), (21, 3754951), (57, 1383403), (107, 736953), (133, 592887), (321, 245651), (399, 197629), (749, 105279), (1847, 42693), (2033, 38787), (2247, 35093), (5541, 14231), (6099, 12929)]