27781845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20353}}^1$

素因数の和:20381

約数の個数: 32

約数和(自身を含む): 54711552

約数和(自身を除く): 26929707

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 20353, 61059, 101765, 142471, 264589, 305295, 427413, 712355, 793767, 1322945, 1852123, 2137065, 3968835, 5556369, 9260615, 27781845]

約数ペア:

[(1, 27781845), (3, 9260615), (5, 5556369), (7, 3968835), (13, 2137065), (15, 1852123), (21, 1322945), (35, 793767), (39, 712355), (65, 427413), (91, 305295), (105, 264589), (195, 142471), (273, 101765), (455, 61059), (1365, 20353)]