218974119

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{802103}}^1$

素因数の和:802126

約数の個数: 16

約数和(自身を含む): 359342592

約数和(自身を除く): 140368473

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 802103, 2406309, 5614721, 10427339, 16844163, 31282017, 72991373, 218974119]

約数ペア:

[(1, 218974119), (3, 72991373), (7, 31282017), (13, 16844163), (21, 10427339), (39, 5614721), (91, 2406309), (273, 802103)]