1321257

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3701}}^1$

素因数の和:3728

約数の個数: 16

約数和(自身を含む): 2132352

約数和(自身を除く): 811095

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 3701, 11103, 25907, 62917, 77721, 188751, 440419, 1321257]

約数ペア:

[(1, 1321257), (3, 440419), (7, 188751), (17, 77721), (21, 62917), (51, 25907), (119, 11103), (357, 3701)]