217804953

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1\times {\mathrm{1201}}^1$

素因数の和:2256

約数の個数: 16

約数和(自身を含む): 295711232

約数和(自身を除く): 77906279

約数列:

[1, 3, 61, 183, 991, 1201, 2973, 3603, 60451, 73261, 181353, 219783, 1190191, 3570573, 72601651, 217804953]

約数ペア:

[(1, 217804953), (3, 72601651), (61, 3570573), (183, 1190191), (991, 219783), (1201, 181353), (2973, 73261), (3603, 60451)]