31222719

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 22402881

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 121, 171, 209, 297, 363, 503, 513, 627, 1089, 1509, 1881, 2299, 3267, 4527, 5533, 5643, 6897, 9557, 13581, 16599, 20691, 28671, 49797, 60863, 62073, 86013, 105127, 149391, 182589, 258039, 315381, 547767, 946143, 1156397, 1643301, 2838429, 3469191, 10407573, 31222719]

約数ペア:

[(1, 31222719), (3, 10407573), (9, 3469191), (11, 2838429), (19, 1643301), (27, 1156397), (33, 946143), (57, 547767), (99, 315381), (121, 258039), (171, 182589), (209, 149391), (297, 105127), (363, 86013), (503, 62073), (513, 60863), (627, 49797), (1089, 28671), (1509, 20691), (1881, 16599), (2299, 13581), (3267, 9557), (4527, 6897), (5533, 5643)]