28085505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{267481}}^1$

素因数の和:267496

約数の個数: 16

約数和(自身を含む): 51356544

約数和(自身を除く): 23271039

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 267481, 802443, 1337405, 1872367, 4012215, 5617101, 9361835, 28085505]

約数ペア:

[(1, 28085505), (3, 9361835), (5, 5617101), (7, 4012215), (15, 1872367), (21, 1337405), (35, 802443), (105, 267481)]