87719949

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{857}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 138378240

約数和(自身を除く): 50658291

約数列:

[1, 3, 9, 17, 27, 51, 153, 223, 459, 669, 857, 2007, 2571, 3791, 6021, 7713, 11373, 14569, 23139, 34119, 43707, 102357, 131121, 191111, 393363, 573333, 1719999, 3248887, 5159997, 9746661, 29239983, 87719949]

約数ペア:

[(1, 87719949), (3, 29239983), (9, 9746661), (17, 5159997), (27, 3248887), (51, 1719999), (153, 573333), (223, 393363), (459, 191111), (669, 131121), (857, 102357), (2007, 43707), (2571, 34119), (3791, 23139), (6021, 14569), (7713, 11373)]