15955605

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20857}}^1$

素因数の和:20885

約数の個数: 24

約数和(自身を含む): 29284632

約数和(自身を除く): 13329027

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 20857, 62571, 104285, 187713, 312855, 354569, 938565, 1063707, 1772845, 3191121, 5318535, 15955605]

約数ペア:

[(1, 15955605), (3, 5318535), (5, 3191121), (9, 1772845), (15, 1063707), (17, 938565), (45, 354569), (51, 312855), (85, 187713), (153, 104285), (255, 62571), (765, 20857)]