15973281

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 40

約数和(自身を含む): 25613280

約数和(自身を除く): 9639999

約数列:

[1, 3, 9, 19, 27, 57, 81, 97, 107, 171, 291, 321, 513, 873, 963, 1539, 1843, 2033, 2619, 2889, 5529, 6099, 7857, 8667, 10379, 16587, 18297, 31137, 49761, 54891, 93411, 149283, 164673, 197201, 280233, 591603, 840699, 1774809, 5324427, 15973281]

約数ペア:

[(1, 15973281), (3, 5324427), (9, 1774809), (19, 840699), (27, 591603), (57, 280233), (81, 197201), (97, 164673), (107, 149283), (171, 93411), (291, 54891), (321, 49761), (513, 31137), (873, 18297), (963, 16587), (1539, 10379), (1843, 8667), (2033, 7857), (2619, 6099), (2889, 5529)]