28778535

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37619}}^1$

素因数の和:37647

約数の個数: 24

約数和(自身を含む): 52818480

約数和(自身を除く): 24039945

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 37619, 112857, 188095, 338571, 564285, 639523, 1692855, 1918569, 3197615, 5755707, 9592845, 28778535]

約数ペア:

[(1, 28778535), (3, 9592845), (5, 5755707), (9, 3197615), (15, 1918569), (17, 1692855), (45, 639523), (51, 564285), (85, 338571), (153, 188095), (255, 112857), (765, 37619)]