25109865

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 50123520

約数和(自身を除く): 25013655

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 37, 45, 55, 99, 111, 135, 165, 185, 297, 333, 407, 457, 495, 555, 999, 1221, 1371, 1485, 1665, 2035, 2285, 3663, 4113, 4995, 5027, 6105, 6855, 10989, 12339, 15081, 16909, 18315, 20565, 25135, 45243, 50727, 54945, 61695, 75405, 84545, 135729, 152181, 185999, 226215, 253635, 456543, 557997, 678645, 760905, 929995, 1673991, 2282715, 2789985, 5021973, 8369955, 25109865]

約数ペア:

[(1, 25109865), (3, 8369955), (5, 5021973), (9, 2789985), (11, 2282715), (15, 1673991), (27, 929995), (33, 760905), (37, 678645), (45, 557997), (55, 456543), (99, 253635), (111, 226215), (135, 185999), (165, 152181), (185, 135729), (297, 84545), (333, 75405), (407, 61695), (457, 54945), (495, 50727), (555, 45243), (999, 25135), (1221, 20565), (1371, 18315), (1485, 16909), (1665, 15081), (2035, 12339), (2285, 10989), (3663, 6855), (4113, 6105), (4995, 5027)]