664804827

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{264757}}^1$

素因数の和:264800

約数の個数: 20

約数和(自身を含む): 1025142976

約数和(自身を除く): 360338149

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 264757, 794271, 2382813, 7148439, 8207467, 21445317, 24622401, 73867203, 221601609, 664804827]

約数ペア:

[(1, 664804827), (3, 221601609), (9, 73867203), (27, 24622401), (31, 21445317), (81, 8207467), (93, 7148439), (279, 2382813), (837, 794271), (2511, 264757)]