51358671

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20903}}^1$

素因数の和:20932

約数の個数: 32

約数和(自身を含む): 93649920

約数和(自身を除く): 42291249

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 20903, 62709, 146321, 188127, 271739, 438963, 564381, 815217, 1316889, 1902173, 2445651, 3950667, 5706519, 7336953, 17119557, 51358671]

約数ペア:

[(1, 51358671), (3, 17119557), (7, 7336953), (9, 5706519), (13, 3950667), (21, 2445651), (27, 1902173), (39, 1316889), (63, 815217), (91, 564381), (117, 438963), (189, 271739), (273, 188127), (351, 146321), (819, 62709), (2457, 20903)]