47128557

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 74317824

約数和(自身を除く): 27189267

約数列:

[1, 3, 7, 21, 41, 123, 127, 287, 381, 431, 861, 889, 1293, 2667, 3017, 5207, 9051, 15621, 17671, 36449, 53013, 54737, 109347, 123697, 164211, 371091, 383159, 1149477, 2244217, 6732651, 15709519, 47128557]

約数ペア:

[(1, 47128557), (3, 15709519), (7, 6732651), (21, 2244217), (41, 1149477), (123, 383159), (127, 371091), (287, 164211), (381, 123697), (431, 109347), (861, 54737), (889, 53013), (1293, 36449), (2667, 17671), (3017, 15621), (5207, 9051)]