199972275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{156841}}^1$

素因数の和:156871

約数の個数: 24

約数和(自身を含む): 350071344

約数和(自身を除く): 150099069

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 156841, 470523, 784205, 2352615, 2666297, 3921025, 7998891, 11763075, 13331485, 39994455, 66657425, 199972275]

約数ペア:

[(1, 199972275), (3, 66657425), (5, 39994455), (15, 13331485), (17, 11763075), (25, 7998891), (51, 3921025), (75, 2666297), (85, 2352615), (255, 784205), (425, 470523), (1275, 156841)]