16863255

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5431}}^1$

素因数の和:5468

約数の個数: 32

約数和(自身を含む): 31288320

約数和(自身を除く): 14425065

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 5431, 16293, 27155, 48879, 81465, 124913, 146637, 244395, 374739, 624565, 733185, 1124217, 1873695, 3372651, 5621085, 16863255]

約数ペア:

[(1, 16863255), (3, 5621085), (5, 3372651), (9, 1873695), (15, 1124217), (23, 733185), (27, 624565), (45, 374739), (69, 244395), (115, 146637), (135, 124913), (207, 81465), (345, 48879), (621, 27155), (1035, 16293), (3105, 5431)]