205920213

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{18637}}^1$

素因数の和:18796

約数の個数: 16

約数和(自身を含む): 286279680

約数和(自身を除く): 80359467

約数列:

[1, 3, 29, 87, 127, 381, 3683, 11049, 18637, 55911, 540473, 1621419, 2366899, 7100697, 68640071, 205920213]

約数ペア:

[(1, 205920213), (3, 68640071), (29, 7100697), (87, 2366899), (127, 1621419), (381, 540473), (3683, 55911), (11049, 18637)]