27952785

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{1811}}^1$

素因数の和:1843

約数の個数: 48

約数和(自身を含む): 56534400

約数和(自身を除く): 28581615

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1715, 1811, 2205, 3087, 5145, 5433, 9055, 12677, 15435, 16299, 27165, 38031, 63385, 81495, 88739, 114093, 190155, 266217, 443695, 570465, 621173, 798651, 1331085, 1863519, 3105865, 3993255, 5590557, 9317595, 27952785]

約数ペア:

[(1, 27952785), (3, 9317595), (5, 5590557), (7, 3993255), (9, 3105865), (15, 1863519), (21, 1331085), (35, 798651), (45, 621173), (49, 570465), (63, 443695), (105, 266217), (147, 190155), (245, 114093), (315, 88739), (343, 81495), (441, 63385), (735, 38031), (1029, 27165), (1715, 16299), (1811, 15435), (2205, 12677), (3087, 9055), (5145, 5433)]