39421809

素因数分解:

$3^4\times 7^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 67814208

約数和(自身を除く): 28392399

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 251, 277, 567, 753, 831, 1757, 1939, 2259, 2493, 5271, 5817, 6777, 7479, 15813, 17451, 20331, 22437, 47439, 52353, 69527, 142317, 157059, 208581, 486689, 625743, 1460067, 1877229, 4380201, 5631687, 13140603, 39421809]

約数ペア:

[(1, 39421809), (3, 13140603), (7, 5631687), (9, 4380201), (21, 1877229), (27, 1460067), (63, 625743), (81, 486689), (189, 208581), (251, 157059), (277, 142317), (567, 69527), (753, 52353), (831, 47439), (1757, 22437), (1939, 20331), (2259, 17451), (2493, 15813), (5271, 7479), (5817, 6777)]