393319719

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1877}}^1$

素因数の和:2101

約数の個数: 40

約数和(自身を含む): 636266400

約数和(自身を除く): 242946681

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 199, 351, 597, 1053, 1791, 1877, 2587, 5373, 5631, 7761, 16119, 16893, 23283, 24401, 50679, 69849, 73203, 152037, 209547, 219609, 373523, 658827, 1120569, 1976481, 3361707, 4855799, 10085121, 14567397, 30255363, 43702191, 131106573, 393319719]

約数ペア:

[(1, 393319719), (3, 131106573), (9, 43702191), (13, 30255363), (27, 14567397), (39, 10085121), (81, 4855799), (117, 3361707), (199, 1976481), (351, 1120569), (597, 658827), (1053, 373523), (1791, 219609), (1877, 209547), (2587, 152037), (5373, 73203), (5631, 69849), (7761, 50679), (16119, 24401), (16893, 23283)]