68656815

素因数分解:

$3^4\times 5^1\times {\mathrm{169523}}^1$

素因数の和:169540

約数の個数: 20

約数和(自身を含む): 123074424

約数和(自身を除く): 54417609

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 169523, 508569, 847615, 1525707, 2542845, 4577121, 7628535, 13731363, 22885605, 68656815]

約数ペア:

[(1, 68656815), (3, 22885605), (5, 13731363), (9, 7628535), (15, 4577121), (27, 2542845), (45, 1525707), (81, 847615), (135, 508569), (405, 169523)]