256548159

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{60779}}^1$

素因数の和:60859

約数の個数: 24

約数和(自身を含む): 429836160

約数和(自身を除く): 173288001

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 60779, 182337, 425453, 547011, 1276359, 3829077, 4072193, 12216579, 28505351, 36649737, 85516053, 256548159]

約数ペア:

[(1, 256548159), (3, 85516053), (7, 36649737), (9, 28505351), (21, 12216579), (63, 4072193), (67, 3829077), (201, 1276359), (469, 547011), (603, 425453), (1407, 182337), (4221, 60779)]