51388569

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 82285632

約数和(自身を除く): 30897063

約数列:

[1, 3, 9, 17, 43, 51, 73, 107, 129, 153, 219, 321, 387, 657, 731, 963, 1241, 1819, 2193, 3139, 3723, 4601, 5457, 6579, 7811, 9417, 11169, 13803, 16371, 23433, 28251, 41409, 53363, 70299, 78217, 132787, 160089, 234651, 335873, 398361, 480267, 703953, 1007619, 1195083, 3022857, 5709841, 17129523, 51388569]

約数ペア:

[(1, 51388569), (3, 17129523), (9, 5709841), (17, 3022857), (43, 1195083), (51, 1007619), (73, 703953), (107, 480267), (129, 398361), (153, 335873), (219, 234651), (321, 160089), (387, 132787), (657, 78217), (731, 70299), (963, 53363), (1241, 41409), (1819, 28251), (2193, 23433), (3139, 16371), (3723, 13803), (4601, 11169), (5457, 9417), (6579, 7811)]