51340065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 97929216

約数和(自身を除く): 46589151

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 83, 105, 129, 137, 215, 249, 301, 411, 415, 581, 645, 685, 903, 959, 1245, 1505, 1743, 2055, 2877, 2905, 3569, 4515, 4795, 5891, 8715, 10707, 11371, 14385, 17673, 17845, 24983, 29455, 34113, 41237, 53535, 56855, 74949, 79597, 88365, 123711, 124915, 170565, 206185, 238791, 374745, 397985, 488953, 618555, 1193955, 1466859, 2444765, 3422671, 7334295, 10268013, 17113355, 51340065]

約数ペア:

[(1, 51340065), (3, 17113355), (5, 10268013), (7, 7334295), (15, 3422671), (21, 2444765), (35, 1466859), (43, 1193955), (83, 618555), (105, 488953), (129, 397985), (137, 374745), (215, 238791), (249, 206185), (301, 170565), (411, 124915), (415, 123711), (581, 88365), (645, 79597), (685, 74949), (903, 56855), (959, 53535), (1245, 41237), (1505, 34113), (1743, 29455), (2055, 24983), (2877, 17845), (2905, 17673), (3569, 14385), (4515, 11371), (4795, 10707), (5891, 8715)]