16858107

素因数分解:

$3^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 29286400

約数和(自身を除く): 12428293

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 127, 129, 147, 301, 343, 381, 387, 441, 889, 903, 1029, 1143, 2107, 2667, 2709, 3087, 5461, 6223, 6321, 8001, 14749, 16383, 18669, 18963, 38227, 43561, 44247, 49149, 56007, 114681, 130683, 132741, 267589, 344043, 392049, 802767, 1873123, 2408301, 5619369, 16858107]

約数ペア:

[(1, 16858107), (3, 5619369), (7, 2408301), (9, 1873123), (21, 802767), (43, 392049), (49, 344043), (63, 267589), (127, 132741), (129, 130683), (147, 114681), (301, 56007), (343, 49149), (381, 44247), (387, 43561), (441, 38227), (889, 18963), (903, 18669), (1029, 16383), (1143, 14749), (2107, 8001), (2667, 6321), (2709, 6223), (3087, 5461)]