8128419

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 12359424

約数和(自身を除く): 4231005

約数列:

[1, 3, 13, 37, 39, 43, 111, 129, 131, 393, 481, 559, 1443, 1591, 1677, 1703, 4773, 4847, 5109, 5633, 14541, 16899, 20683, 62049, 63011, 73229, 189033, 208421, 219687, 625263, 2709473, 8128419]

約数ペア:

[(1, 8128419), (3, 2709473), (13, 625263), (37, 219687), (39, 208421), (43, 189033), (111, 73229), (129, 63011), (131, 62049), (393, 20683), (481, 16899), (559, 14541), (1443, 5633), (1591, 5109), (1677, 4847), (1703, 4773)]