2160165

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{2939}}^1$

素因数の和:2961

約数の個数: 24

約数和(自身を含む): 4021920

約数和(自身を除く): 1861755

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 2939, 8817, 14695, 20573, 44085, 61719, 102865, 144011, 308595, 432033, 720055, 2160165]

約数ペア:

[(1, 2160165), (3, 720055), (5, 432033), (7, 308595), (15, 144011), (21, 102865), (35, 61719), (49, 44085), (105, 20573), (147, 14695), (245, 8817), (735, 2939)]