3970785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2909}}^1$

素因数の和:2937

約数の個数: 32

約数和(自身を含む): 7822080

約数和(自身を除く): 3851295

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 2909, 8727, 14545, 20363, 37817, 43635, 61089, 101815, 113451, 189085, 264719, 305445, 567255, 794157, 1323595, 3970785]

約数ペア:

[(1, 3970785), (3, 1323595), (5, 794157), (7, 567255), (13, 305445), (15, 264719), (21, 189085), (35, 113451), (39, 101815), (65, 61089), (91, 43635), (105, 37817), (195, 20363), (273, 14545), (455, 8727), (1365, 2909)]