209973605721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{320659}}^1\times {\mathrm{19843}}^1$

素因数の和:340516

約数の個数: 16

約数和(自身を含む): 305432497920

約数和(自身を除く): 95458892199

約数列:

[1, 3, 11, 33, 19843, 59529, 218273, 320659, 654819, 961977, 3527249, 10581747, 6362836537, 19088509611, 69991201907, 209973605721]

約数ペア:

[(1, 209973605721), (3, 69991201907), (11, 19088509611), (33, 6362836537), (19843, 10581747), (59529, 3527249), (218273, 961977), (320659, 654819)]