213521727

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{11057}}^1$

素因数の和:11258

約数の個数: 16

約数和(自身を含む): 293523552

約数和(自身を除く): 80001825

約数列:

[1, 3, 41, 123, 157, 471, 6437, 11057, 19311, 33171, 453337, 1360011, 1735949, 5207847, 71173909, 213521727]

約数ペア:

[(1, 213521727), (3, 71173909), (41, 5207847), (123, 1735949), (157, 1360011), (471, 453337), (6437, 33171), (11057, 19311)]