28432870479

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{81005329}}^1$

素因数の和:81005351

約数の個数: 16

約数和(自身を含む): 45362984800

約数和(自身を除く): 16930114321

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 81005329, 243015987, 729047961, 1053069277, 2187143883, 3159207831, 9477623493, 28432870479]

約数ペア:

[(1, 28432870479), (3, 9477623493), (9, 3159207831), (13, 2187143883), (27, 1053069277), (39, 729047961), (117, 243015987), (351, 81005329)]