28519155

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 58705920

約数和(自身を除く): 30186765

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 103, 105, 135, 189, 293, 309, 315, 515, 721, 879, 927, 945, 1465, 1545, 2051, 2163, 2637, 2781, 3605, 4395, 4635, 6153, 6489, 7911, 10255, 10815, 13185, 13905, 18459, 19467, 30179, 30765, 32445, 39555, 55377, 90537, 92295, 97335, 150895, 211253, 271611, 276885, 452685, 633759, 814833, 1056265, 1358055, 1901277, 3168795, 4074165, 5703831, 9506385, 28519155]

約数ペア:

[(1, 28519155), (3, 9506385), (5, 5703831), (7, 4074165), (9, 3168795), (15, 1901277), (21, 1358055), (27, 1056265), (35, 814833), (45, 633759), (63, 452685), (103, 276885), (105, 271611), (135, 211253), (189, 150895), (293, 97335), (309, 92295), (315, 90537), (515, 55377), (721, 39555), (879, 32445), (927, 30765), (945, 30179), (1465, 19467), (1545, 18459), (2051, 13905), (2163, 13185), (2637, 10815), (2781, 10255), (3605, 7911), (4395, 6489), (4635, 6153)]