7021791

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 11666304

約数和(自身を除く): 4644513

約数列:

[1, 3, 7, 9, 21, 63, 227, 491, 681, 1473, 1589, 2043, 3437, 4419, 4767, 10311, 14301, 30933, 111457, 334371, 780199, 1003113, 2340597, 7021791]

約数ペア:

[(1, 7021791), (3, 2340597), (7, 1003113), (9, 780199), (21, 334371), (63, 111457), (227, 30933), (491, 14301), (681, 10311), (1473, 4767), (1589, 4419), (2043, 3437)]