257633997

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{136531}}^1$

素因数の和:136588

約数の個数: 16

約数和(自身を含む): 373551552

約数和(自身を除く): 115917555

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 136531, 409593, 2321027, 5051647, 6963081, 15154941, 85877999, 257633997]

約数ペア:

[(1, 257633997), (3, 85877999), (17, 15154941), (37, 6963081), (51, 5051647), (111, 2321027), (629, 409593), (1887, 136531)]