28405185

素因数分解:

$3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{6089}}^1$

素因数の和:6408

約数の個数: 16

約数和(自身を含む): 45601920

約数和(自身を除く): 17196735

約数列:

[1, 3, 5, 15, 311, 933, 1555, 4665, 6089, 18267, 30445, 91335, 1893679, 5681037, 9468395, 28405185]

約数ペア:

[(1, 28405185), (3, 9468395), (5, 5681037), (15, 1893679), (311, 91335), (933, 30445), (1555, 18267), (4665, 6089)]