28153485

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{457}}^1$

素因数の和:542

約数の個数: 36

約数和(自身を含む): 50263668

約数和(自身を除く): 22110183

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 457, 555, 1369, 1371, 1665, 2285, 4107, 4113, 6845, 6855, 12321, 16909, 20535, 20565, 50727, 61605, 84545, 152181, 253635, 625633, 760905, 1876899, 3128165, 5630697, 9384495, 28153485]

約数ペア:

[(1, 28153485), (3, 9384495), (5, 5630697), (9, 3128165), (15, 1876899), (37, 760905), (45, 625633), (111, 253635), (185, 152181), (333, 84545), (457, 61605), (555, 50727), (1369, 20565), (1371, 20535), (1665, 16909), (2285, 12321), (4107, 6855), (4113, 6845)]