78222081

素因数分解:

$3^1\times 7^2\times {\mathrm{337}}^1\times {\mathrm{1579}}^1$

素因数の和:1933

約数の個数: 24

約数和(自身を含む): 121761120

約数和(自身を除く): 43539039

約数列:

[1, 3, 7, 21, 49, 147, 337, 1011, 1579, 2359, 4737, 7077, 11053, 16513, 33159, 49539, 77371, 232113, 532123, 1596369, 3724861, 11174583, 26074027, 78222081]

約数ペア:

[(1, 78222081), (3, 26074027), (7, 11174583), (21, 3724861), (49, 1596369), (147, 532123), (337, 232113), (1011, 77371), (1579, 49539), (2359, 33159), (4737, 16513), (7077, 11053)]