28039215

素因数分解:

$3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6949}}^1$

素因数の和:7226

約数の個数: 16

約数和(自身を含む): 45036000

約数和(自身を除く): 16996785

約数列:

[1, 3, 5, 15, 269, 807, 1345, 4035, 6949, 20847, 34745, 104235, 1869281, 5607843, 9346405, 28039215]

約数ペア:

[(1, 28039215), (3, 9346405), (5, 5607843), (15, 1869281), (269, 104235), (807, 34745), (1345, 20847), (4035, 6949)]