28986039

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{56503}}^1$

素因数の和:56531

約数の個数: 16

約数和(自身を含む): 45203200

約数和(自身を除く): 16217161

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 56503, 169509, 508527, 1073557, 1525581, 3220671, 9662013, 28986039]

約数ペア:

[(1, 28986039), (3, 9662013), (9, 3220671), (19, 1525581), (27, 1073557), (57, 508527), (171, 169509), (513, 56503)]