31222611

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^2$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 55326720

約数和(自身を除く): 24104109

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 73, 93, 189, 217, 219, 279, 511, 651, 657, 837, 1533, 1953, 1971, 2263, 4599, 5329, 5859, 6789, 13797, 15841, 15987, 20367, 37303, 47523, 47961, 61101, 111909, 142569, 143883, 165199, 335727, 427707, 495597, 1007181, 1156393, 1486791, 3469179, 4460373, 10407537, 31222611]

約数ペア:

[(1, 31222611), (3, 10407537), (7, 4460373), (9, 3469179), (21, 1486791), (27, 1156393), (31, 1007181), (63, 495597), (73, 427707), (93, 335727), (189, 165199), (217, 143883), (219, 142569), (279, 111909), (511, 61101), (651, 47961), (657, 47523), (837, 37303), (1533, 20367), (1953, 15987), (1971, 15841), (2263, 13797), (4599, 6789), (5329, 5859)]