28211517

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{61463}}^1$

素因数の和:61489

約数の個数: 16

約数和(自身を含む): 44254080

約数和(自身を除く): 16042563

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 61463, 184389, 553167, 1044871, 1659501, 3134613, 9403839, 28211517]

約数ペア:

[(1, 28211517), (3, 9403839), (9, 3134613), (17, 1659501), (27, 1044871), (51, 553167), (153, 184389), (459, 61463)]