1291248315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{20599}}^1$

素因数の和:20816

約数の個数: 48

約数和(自身を含む): 2570880000

約数和(自身を除く): 1279631685

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 199, 315, 597, 995, 1393, 1791, 2985, 4179, 6965, 8955, 12537, 20599, 20895, 61797, 62685, 102995, 144193, 185391, 308985, 432579, 720965, 926955, 1297737, 2162895, 4099201, 6488685, 12297603, 20496005, 28694407, 36892809, 61488015, 86083221, 143472035, 184464045, 258249663, 430416105, 1291248315]

約数ペア:

[(1, 1291248315), (3, 430416105), (5, 258249663), (7, 184464045), (9, 143472035), (15, 86083221), (21, 61488015), (35, 36892809), (45, 28694407), (63, 20496005), (105, 12297603), (199, 6488685), (315, 4099201), (597, 2162895), (995, 1297737), (1393, 926955), (1791, 720965), (2985, 432579), (4179, 308985), (6965, 185391), (8955, 144193), (12537, 102995), (20599, 62685), (20895, 61797)]