28908507

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1901}}^1$

素因数の和:2078

約数の個数: 16

約数和(自身を含む): 39896352

約数和(自身を除く): 10987845

約数列:

[1, 3, 37, 111, 137, 411, 1901, 5069, 5703, 15207, 70337, 211011, 260437, 781311, 9636169, 28908507]

約数ペア:

[(1, 28908507), (3, 9636169), (37, 781311), (111, 260437), (137, 211011), (411, 70337), (1901, 15207), (5069, 5703)]