163965

素因数分解:

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

素因数の和:668

約数の個数: 16

約数和(自身を含む): 278208

約数和(自身を除く): 114243

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 643, 1929, 3215, 9645, 10931, 32793, 54655, 163965]

約数ペア:

[(1, 163965), (3, 54655), (5, 32793), (15, 10931), (17, 9645), (51, 3215), (85, 1929), (255, 643)]