1081755

素因数分解:

$3^4\times 5^1\times {\mathrm{2671}}^1$

素因数の和:2688

約数の個数: 20

約数和(自身を含む): 1939872

約数和(自身を除く): 858117

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2671, 8013, 13355, 24039, 40065, 72117, 120195, 216351, 360585, 1081755]

約数ペア:

[(1, 1081755), (3, 360585), (5, 216351), (9, 120195), (15, 72117), (27, 40065), (45, 24039), (81, 13355), (135, 8013), (405, 2671)]