28763985

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{51827}}^1$

素因数の和:51872

約数の個数: 16

約数和(自身を含む): 47267136

約数和(自身を除く): 18503151

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 51827, 155481, 259135, 777405, 1917599, 5752797, 9587995, 28763985]

約数ペア:

[(1, 28763985), (3, 9587995), (5, 5752797), (15, 1917599), (37, 777405), (111, 259135), (185, 155481), (555, 51827)]