2811081

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1471}}^1$

素因数の和:1501

約数の個数: 24

約数和(自身を含む): 4698624

約数和(自身を除く): 1887543

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1471, 1911, 4413, 10297, 19123, 30891, 57369, 72079, 133861, 216237, 401583, 937027, 2811081]

約数ペア:

[(1, 2811081), (3, 937027), (7, 401583), (13, 216237), (21, 133861), (39, 72079), (49, 57369), (91, 30891), (147, 19123), (273, 10297), (637, 4413), (1471, 1911)]