39879777

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{3821}}^1$

素因数の和:3909

約数の個数: 24

約数和(自身を含む): 62741952

約数和(自身を除く): 22862175

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 3821, 10437, 11463, 26747, 80241, 187229, 271291, 561687, 813873, 1899037, 5697111, 13293259, 39879777]

約数ペア:

[(1, 39879777), (3, 13293259), (7, 5697111), (21, 1899037), (49, 813873), (71, 561687), (147, 271291), (213, 187229), (497, 80241), (1491, 26747), (3479, 11463), (3821, 10437)]