280755

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 516672

約数和(自身を除く): 235917

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 367, 765, 1101, 1835, 3303, 5505, 6239, 16515, 18717, 31195, 56151, 93585, 280755]

約数ペア:

[(1, 280755), (3, 93585), (5, 56151), (9, 31195), (15, 18717), (17, 16515), (45, 6239), (51, 5505), (85, 3303), (153, 1835), (255, 1101), (367, 765)]