28485285

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6571}}^1$

素因数の和:6613

約数の個数: 24

約数和(自身を含む): 48422496

約数和(自身を除く): 19937211

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 6571, 19713, 32855, 98565, 111707, 335121, 558535, 1675605, 1899019, 5697057, 9495095, 28485285]

約数ペア:

[(1, 28485285), (3, 9495095), (5, 5697057), (15, 1899019), (17, 1675605), (51, 558535), (85, 335121), (255, 111707), (289, 98565), (867, 32855), (1445, 19713), (4335, 6571)]