213712863

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{111833}}^1$

素因数の和:111863

約数の個数: 24

約数和(自身を含む): 356974128

約数和(自身を除く): 143261265

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 111833, 335499, 782831, 1453829, 2348493, 4361487, 5479817, 10176803, 16439451, 30530409, 71237621, 213712863]

約数ペア:

[(1, 213712863), (3, 71237621), (7, 30530409), (13, 16439451), (21, 10176803), (39, 5479817), (49, 4361487), (91, 2348493), (147, 1453829), (273, 782831), (637, 335499), (1911, 111833)]