2591595

素因数分解:

$3^8\times 5^1\times {\mathrm{79}}^1$

素因数の和:108

約数の個数: 36

約数和(自身を含む): 4723680

約数和(自身を除く): 2132085

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 243, 395, 405, 711, 729, 1185, 1215, 2133, 2187, 3555, 3645, 6399, 6561, 10665, 10935, 19197, 31995, 32805, 57591, 95985, 172773, 287955, 518319, 863865, 2591595]

約数ペア:

[(1, 2591595), (3, 863865), (5, 518319), (9, 287955), (15, 172773), (27, 95985), (45, 57591), (79, 32805), (81, 31995), (135, 19197), (237, 10935), (243, 10665), (395, 6561), (405, 6399), (711, 3645), (729, 3555), (1185, 2187), (1215, 2133)]