405858681

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{82141}}^1$

素因数の和:82214

約数の個数: 20

約数和(自身を含む): 616229284

約数和(自身を除く): 210370603

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 82141, 246423, 739269, 2217807, 5010601, 6653421, 15031803, 45095409, 135286227, 405858681]

約数ペア:

[(1, 405858681), (3, 135286227), (9, 45095409), (27, 15031803), (61, 6653421), (81, 5010601), (183, 2217807), (549, 739269), (1647, 246423), (4941, 82141)]