1819935

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 64

約数和(自身を含む): 3749760

約数和(自身を除く): 1929825

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 61, 65, 85, 117, 135, 153, 183, 195, 221, 255, 305, 351, 459, 549, 585, 663, 765, 793, 915, 1037, 1105, 1647, 1755, 1989, 2295, 2379, 2745, 3111, 3315, 3965, 5185, 5967, 7137, 8235, 9333, 9945, 11895, 13481, 15555, 21411, 27999, 29835, 35685, 40443, 46665, 67405, 107055, 121329, 139995, 202215, 363987, 606645, 1819935]

約数ペア:

[(1, 1819935), (3, 606645), (5, 363987), (9, 202215), (13, 139995), (15, 121329), (17, 107055), (27, 67405), (39, 46665), (45, 40443), (51, 35685), (61, 29835), (65, 27999), (85, 21411), (117, 15555), (135, 13481), (153, 11895), (183, 9945), (195, 9333), (221, 8235), (255, 7137), (305, 5967), (351, 5185), (459, 3965), (549, 3315), (585, 3111), (663, 2745), (765, 2379), (793, 2295), (915, 1989), (1037, 1755), (1105, 1647)]