6209721

素因数分解:

$3^2\times 7^2\times {\mathrm{14081}}^1$

素因数の和:14101

約数の個数: 18

約数和(自身を含む): 10434762

約数和(自身を除く): 4225041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 14081, 42243, 98567, 126729, 295701, 689969, 887103, 2069907, 6209721]

約数ペア:

[(1, 6209721), (3, 2069907), (7, 887103), (9, 689969), (21, 295701), (49, 126729), (63, 98567), (147, 42243), (441, 14081)]