201771493

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{1129}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 254891840

約数和(自身を除く): 53120347

約数列:

[1, 7, 11, 77, 121, 211, 847, 1129, 1477, 2321, 7903, 12419, 16247, 25531, 86933, 136609, 178717, 238219, 956263, 1667533, 2620409, 18342863, 28824499, 201771493]

約数ペア:

[(1, 201771493), (7, 28824499), (11, 18342863), (77, 2620409), (121, 1667533), (211, 956263), (847, 238219), (1129, 178717), (1477, 136609), (2321, 86933), (7903, 25531), (12419, 16247)]