81818535

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{643}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 139104000

約数和(自身を除く): 57285465

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 499, 643, 1497, 1929, 2495, 3215, 7485, 8483, 9645, 10931, 25449, 32793, 42415, 54655, 127245, 163965, 320857, 962571, 1604285, 4812855, 5454569, 16363707, 27272845, 81818535]

約数ペア:

[(1, 81818535), (3, 27272845), (5, 16363707), (15, 5454569), (17, 4812855), (51, 1604285), (85, 962571), (255, 320857), (499, 163965), (643, 127245), (1497, 54655), (1929, 42415), (2495, 32793), (3215, 25449), (7485, 10931), (8483, 9645)]