18015777

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1932

約数の個数: 28

約数和(自身を含む): 29104404

約数和(自身を除く): 11088627

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 1901, 3159, 5703, 9477, 17109, 24713, 51327, 74139, 153981, 222417, 461943, 667251, 1385829, 2001753, 6005259, 18015777]

約数ペア:

[(1, 18015777), (3, 6005259), (9, 2001753), (13, 1385829), (27, 667251), (39, 461943), (81, 222417), (117, 153981), (243, 74139), (351, 51327), (729, 24713), (1053, 17109), (1901, 9477), (3159, 5703)]