320435721

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{373}}^1\times {\mathrm{1801}}^1$

素因数の和:2233

約数の個数: 24

約数和(自身を含む): 473111496

約数和(自身を除く): 152675775

約数列:

[1, 3, 9, 53, 159, 373, 477, 1119, 1801, 3357, 5403, 16209, 19769, 59307, 95453, 177921, 286359, 671773, 859077, 2015319, 6045957, 35603969, 106811907, 320435721]

約数ペア:

[(1, 320435721), (3, 106811907), (9, 35603969), (53, 6045957), (159, 2015319), (373, 859077), (477, 671773), (1119, 286359), (1801, 177921), (3357, 95453), (5403, 59307), (16209, 19769)]