28748007

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{56039}}^1$

素因数の和:56067

約数の個数: 16

約数和(自身を含む): 44832000

約数和(自身を除く): 16083993

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 56039, 168117, 504351, 1064741, 1513053, 3194223, 9582669, 28748007]

約数ペア:

[(1, 28748007), (3, 9582669), (9, 3194223), (19, 1513053), (27, 1064741), (57, 504351), (171, 168117), (513, 56039)]