2020545

素因数分解:

$3^5\times 5^1\times {\mathrm{1663}}^1$

素因数の和:1683

約数の個数: 24

約数和(自身を含む): 3634176

約数和(自身を除く): 1613631

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1663, 4989, 8315, 14967, 24945, 44901, 74835, 134703, 224505, 404109, 673515, 2020545]

約数ペア:

[(1, 2020545), (3, 673515), (5, 404109), (9, 224505), (15, 134703), (27, 74835), (45, 44901), (81, 24945), (135, 14967), (243, 8315), (405, 4989), (1215, 1663)]