199401585

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{781967}}^1$

素因数の和:781992

約数の個数: 16

約数和(自身を含む): 337810176

約数和(自身を除く): 138408591

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 781967, 2345901, 3909835, 11729505, 13293439, 39880317, 66467195, 199401585]

約数ペア:

[(1, 199401585), (3, 66467195), (5, 39880317), (15, 13293439), (17, 11729505), (51, 3909835), (85, 2345901), (255, 781967)]