7864731

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4027}}^1$

素因数の和:4071

約数の個数: 24

約数和(自身を含む): 13405184

約数和(自身を除く): 5540453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 4027, 12081, 28189, 36243, 84567, 124837, 253701, 374511, 873859, 1123533, 2621577, 7864731]

約数ペア:

[(1, 7864731), (3, 2621577), (7, 1123533), (9, 873859), (21, 374511), (31, 253701), (63, 124837), (93, 84567), (217, 36243), (279, 28189), (651, 12081), (1953, 4027)]