28965861

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{727}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 44291520

約数和(自身を除く): 15325659

約数列:

[1, 3, 9, 19, 57, 171, 233, 699, 727, 2097, 2181, 4427, 6543, 13281, 13813, 39843, 41439, 124317, 169391, 508173, 1524519, 3218429, 9655287, 28965861]

約数ペア:

[(1, 28965861), (3, 9655287), (9, 3218429), (19, 1524519), (57, 508173), (171, 169391), (233, 124317), (699, 41439), (727, 39843), (2097, 13813), (2181, 13281), (4427, 6543)]