205818513

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{4639}}^1$

素因数の和:5308

約数の個数: 16

約数和(自身を含む): 286863360

約数和(自身を除く): 81044847

約数列:

[1, 3, 23, 69, 643, 1929, 4639, 13917, 14789, 44367, 106697, 320091, 2982877, 8948631, 68606171, 205818513]

約数ペア:

[(1, 205818513), (3, 68606171), (23, 8948631), (69, 2982877), (643, 320091), (1929, 106697), (4639, 44367), (13917, 14789)]