28511811

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{13367}}^1$

素因数の和:13455

約数の個数: 16

約数和(自身を含む): 42777600

約数和(自身を除く): 14265789

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 13367, 40101, 120303, 360909, 1055993, 3167979, 9503937, 28511811]

約数ペア:

[(1, 28511811), (3, 9503937), (9, 3167979), (27, 1055993), (79, 360909), (237, 120303), (711, 40101), (2133, 13367)]