28687635

素因数分解:

$3^3\times 5^1\times {\mathrm{212501}}^1$

素因数の和:212515

約数の個数: 16

約数和(自身を含む): 51000480

約数和(自身を除く): 22312845

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 212501, 637503, 1062505, 1912509, 3187515, 5737527, 9562545, 28687635]

約数ペア:

[(1, 28687635), (3, 9562545), (5, 5737527), (9, 3187515), (15, 1912509), (27, 1062505), (45, 637503), (135, 212501)]