12871845

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 26749440

約数和(自身を除く): 13877595

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 53, 63, 105, 135, 159, 189, 257, 265, 315, 371, 477, 771, 795, 945, 1113, 1285, 1431, 1799, 1855, 2313, 2385, 3339, 3855, 5397, 5565, 6939, 7155, 8995, 10017, 11565, 13621, 16191, 16695, 26985, 34695, 40863, 48573, 50085, 68105, 80955, 95347, 122589, 204315, 242865, 286041, 367767, 476735, 612945, 858123, 1430205, 1838835, 2574369, 4290615, 12871845]

約数ペア:

[(1, 12871845), (3, 4290615), (5, 2574369), (7, 1838835), (9, 1430205), (15, 858123), (21, 612945), (27, 476735), (35, 367767), (45, 286041), (53, 242865), (63, 204315), (105, 122589), (135, 95347), (159, 80955), (189, 68105), (257, 50085), (265, 48573), (315, 40863), (371, 34695), (477, 26985), (771, 16695), (795, 16191), (945, 13621), (1113, 11565), (1285, 10017), (1431, 8995), (1799, 7155), (1855, 6939), (2313, 5565), (2385, 5397), (3339, 3855)]