68612691

素因数分解:

$3^1\times 7^3\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 107712000

約数和(自身を除く): 39099309

約数列:

[1, 3, 7, 21, 49, 131, 147, 343, 393, 509, 917, 1029, 1527, 2751, 3563, 6419, 10689, 19257, 24941, 44933, 66679, 74823, 134799, 174587, 200037, 466753, 523761, 1400259, 3267271, 9801813, 22870897, 68612691]

約数ペア:

[(1, 68612691), (3, 22870897), (7, 9801813), (21, 3267271), (49, 1400259), (131, 523761), (147, 466753), (343, 200037), (393, 174587), (509, 134799), (917, 74823), (1029, 66679), (1527, 44933), (2751, 24941), (3563, 19257), (6419, 10689)]