28932267

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{809}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 18967893

約数列:

[1, 3, 7, 13, 21, 39, 91, 131, 273, 393, 809, 917, 1703, 2427, 2751, 5109, 5663, 10517, 11921, 16989, 31551, 35763, 73619, 105979, 220857, 317937, 741853, 1377727, 2225559, 4133181, 9644089, 28932267]

約数ペア:

[(1, 28932267), (3, 9644089), (7, 4133181), (13, 2225559), (21, 1377727), (39, 741853), (91, 317937), (131, 220857), (273, 105979), (393, 73619), (809, 35763), (917, 31551), (1703, 16989), (2427, 11921), (2751, 10517), (5109, 5663)]