285400503

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1223}}^1$

素因数の和:1345

約数の個数: 40

約数和(自身を含む): 443127168

約数和(自身を除く): 157726665

約数列:

[1, 3, 9, 27, 43, 67, 81, 129, 201, 387, 603, 1161, 1223, 1809, 2881, 3483, 3669, 5427, 8643, 11007, 25929, 33021, 52589, 77787, 81941, 99063, 157767, 233361, 245823, 473301, 737469, 1419903, 2212407, 3523463, 4259709, 6637221, 10570389, 31711167, 95133501, 285400503]

約数ペア:

[(1, 285400503), (3, 95133501), (9, 31711167), (27, 10570389), (43, 6637221), (67, 4259709), (81, 3523463), (129, 2212407), (201, 1419903), (387, 737469), (603, 473301), (1161, 245823), (1223, 233361), (1809, 157767), (2881, 99063), (3483, 81941), (3669, 77787), (5427, 52589), (8643, 33021), (11007, 25929)]