16872891

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 27491328

約数和(自身を除く): 10618437

約数列:

[1, 3, 7, 17, 21, 51, 119, 151, 313, 357, 453, 939, 1057, 2191, 2567, 3171, 5321, 6573, 7701, 15963, 17969, 37247, 47263, 53907, 111741, 141789, 330841, 803471, 992523, 2410413, 5624297, 16872891]

約数ペア:

[(1, 16872891), (3, 5624297), (7, 2410413), (17, 992523), (21, 803471), (51, 330841), (119, 141789), (151, 111741), (313, 53907), (357, 47263), (453, 37247), (939, 17969), (1057, 15963), (2191, 7701), (2567, 6573), (3171, 5321)]