28709127

素因数分解:

$3^3\times {\mathrm{509}}^1\times {\mathrm{2089}}^1$

素因数の和:2607

約数の個数: 16

約数和(自身を含む): 42636000

約数和(自身を除く): 13926873

約数列:

[1, 3, 9, 27, 509, 1527, 2089, 4581, 6267, 13743, 18801, 56403, 1063301, 3189903, 9569709, 28709127]

約数ペア:

[(1, 28709127), (3, 9569709), (9, 3189903), (27, 1063301), (509, 56403), (1527, 18801), (2089, 13743), (4581, 6267)]