31716237

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1217}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 51916032

約数和(自身を除く): 20199795

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 511, 1217, 1241, 1533, 3651, 3723, 8519, 8687, 20689, 25557, 26061, 62067, 88841, 144823, 266523, 434469, 621887, 1510297, 1865661, 4530891, 10572079, 31716237]

約数ペア:

[(1, 31716237), (3, 10572079), (7, 4530891), (17, 1865661), (21, 1510297), (51, 621887), (73, 434469), (119, 266523), (219, 144823), (357, 88841), (511, 62067), (1217, 26061), (1241, 25557), (1533, 20689), (3651, 8687), (3723, 8519)]