128942535

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{505657}}^1$

素因数の和:505682

約数の個数: 16

約数和(自身を含む): 218444256

約数和(自身を除く): 89501721

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 505657, 1516971, 2528285, 7584855, 8596169, 25788507, 42980845, 128942535]

約数ペア:

[(1, 128942535), (3, 42980845), (5, 25788507), (15, 8596169), (17, 7584855), (51, 2528285), (85, 1516971), (255, 505657)]