47719881

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 81838080

約数和(自身を除く): 34118199

約数列:

[1, 3, 9, 11, 27, 31, 33, 71, 73, 93, 99, 213, 219, 279, 297, 341, 639, 657, 781, 803, 837, 1023, 1917, 1971, 2201, 2263, 2343, 2409, 3069, 5183, 6603, 6789, 7029, 7227, 9207, 15549, 19809, 20367, 21087, 21681, 24211, 24893, 46647, 57013, 59427, 61101, 72633, 74679, 139941, 160673, 171039, 217899, 224037, 482019, 513117, 653697, 672111, 1446057, 1539351, 1767403, 4338171, 5302209, 15906627, 47719881]

約数ペア:

[(1, 47719881), (3, 15906627), (9, 5302209), (11, 4338171), (27, 1767403), (31, 1539351), (33, 1446057), (71, 672111), (73, 653697), (93, 513117), (99, 482019), (213, 224037), (219, 217899), (279, 171039), (297, 160673), (341, 139941), (639, 74679), (657, 72633), (781, 61101), (803, 59427), (837, 57013), (1023, 46647), (1917, 24893), (1971, 24211), (2201, 21681), (2263, 21087), (2343, 20367), (2409, 19809), (3069, 15549), (5183, 9207), (6603, 7227), (6789, 7029)]