19210401

素因数分解:

$3^2\times 7^5\times {\mathrm{127}}^1$

素因数の和:168

約数の個数: 36

約数和(自身を含む): 32627712

約数和(自身を除く): 13417311

約数列:

[1, 3, 7, 9, 21, 49, 63, 127, 147, 343, 381, 441, 889, 1029, 1143, 2401, 2667, 3087, 6223, 7203, 8001, 16807, 18669, 21609, 43561, 50421, 56007, 130683, 151263, 304927, 392049, 914781, 2134489, 2744343, 6403467, 19210401]

約数ペア:

[(1, 19210401), (3, 6403467), (7, 2744343), (9, 2134489), (21, 914781), (49, 392049), (63, 304927), (127, 151263), (147, 130683), (343, 56007), (381, 50421), (441, 43561), (889, 21609), (1029, 18669), (1143, 16807), (2401, 8001), (2667, 7203), (3087, 6223)]