253245855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{993121}}^1$

素因数の和:993146

約数の個数: 16

約数和(自身を含む): 429028704

約数和(自身を除く): 175782849

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 993121, 2979363, 4965605, 14896815, 16883057, 50649171, 84415285, 253245855]

約数ペア:

[(1, 253245855), (3, 84415285), (5, 50649171), (15, 16883057), (17, 14896815), (51, 4965605), (85, 2979363), (255, 993121)]