487220517

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{70951}}^1$

素因数の和:71073

約数の個数: 24

約数和(自身を含む): 811690880

約数和(自身を除く): 324470363

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 70951, 212853, 496657, 638559, 1489971, 4469913, 7733659, 23200977, 54135613, 69602931, 162406839, 487220517]

約数ペア:

[(1, 487220517), (3, 162406839), (7, 69602931), (9, 54135613), (21, 23200977), (63, 7733659), (109, 4469913), (327, 1489971), (763, 638559), (981, 496657), (2289, 212853), (6867, 70951)]