157189905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{205477}}^1$

素因数の和:205505

約数の個数: 24

約数和(自身を含む): 288491112

約数和(自身を除く): 131301207

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 205477, 616431, 1027385, 1849293, 3082155, 3493109, 9246465, 10479327, 17465545, 31437981, 52396635, 157189905]

約数ペア:

[(1, 157189905), (3, 52396635), (5, 31437981), (9, 17465545), (15, 10479327), (17, 9246465), (45, 3493109), (51, 3082155), (85, 1849293), (153, 1027385), (255, 616431), (765, 205477)]