27949455

素因数分解:

$3^4\times 5^1\times {\mathrm{69011}}^1$

素因数の和:69028

約数の個数: 20

約数和(自身を含む): 50102712

約数和(自身を除く): 22153257

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 69011, 207033, 345055, 621099, 1035165, 1863297, 3105495, 5589891, 9316485, 27949455]

約数ペア:

[(1, 27949455), (3, 9316485), (5, 5589891), (9, 3105495), (15, 1863297), (27, 1035165), (45, 621099), (81, 345055), (135, 207033), (405, 69011)]