28753713

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 42831360

約数和(自身を除く): 14077647

約数列:

[1, 3, 9, 43, 129, 191, 387, 389, 573, 1167, 1719, 3501, 8213, 16727, 24639, 50181, 73917, 74299, 150543, 222897, 668691, 3194857, 9584571, 28753713]

約数ペア:

[(1, 28753713), (3, 9584571), (9, 3194857), (43, 668691), (129, 222897), (191, 150543), (387, 74299), (389, 73917), (573, 50181), (1167, 24639), (1719, 16727), (3501, 8213)]