1728237

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 2875392

約数和(自身を除く): 1147155

約数列:

[1, 3, 7, 17, 21, 47, 51, 103, 119, 141, 309, 329, 357, 721, 799, 987, 1751, 2163, 2397, 4841, 5253, 5593, 12257, 14523, 16779, 33887, 36771, 82297, 101661, 246891, 576079, 1728237]

約数ペア:

[(1, 1728237), (3, 576079), (7, 246891), (17, 101661), (21, 82297), (47, 36771), (51, 33887), (103, 16779), (119, 14523), (141, 12257), (309, 5593), (329, 5253), (357, 4841), (721, 2397), (799, 2163), (987, 1751)]