388640709

素因数分解:

$3^2\times {\mathrm{229}}^1\times {\mathrm{269}}^1\times {\mathrm{701}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 566724600

約数和(自身を除く): 178083891

約数列:

[1, 3, 9, 229, 269, 687, 701, 807, 2061, 2103, 2421, 6309, 61601, 160529, 184803, 188569, 481587, 554409, 565707, 1444761, 1697121, 43182301, 129546903, 388640709]

約数ペア:

[(1, 388640709), (3, 129546903), (9, 43182301), (229, 1697121), (269, 1444761), (687, 565707), (701, 554409), (807, 481587), (2061, 188569), (2103, 184803), (2421, 160529), (6309, 61601)]