255150195153

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{716857}}^1$

素因数の和:717881

約数の個数: 32

約数和(自身を含む): 412084387584

約数和(自身を除く): 156934192431

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 997, 2991, 6979, 16949, 20937, 50847, 118643, 355929, 716857, 2150571, 5017999, 12186569, 15053997, 36559707, 85305983, 255917949, 714706429, 2144119287, 5002945003, 12150009293, 15008835009, 36450027879, 85050065051, 255150195153]

約数ペア:

[(1, 255150195153), (3, 85050065051), (7, 36450027879), (17, 15008835009), (21, 12150009293), (51, 5002945003), (119, 2144119287), (357, 714706429), (997, 255917949), (2991, 85305983), (6979, 36559707), (16949, 15053997), (20937, 12186569), (50847, 5017999), (118643, 2150571), (355929, 716857)]