209437151

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{18013}}^1$

素因数の和:18182

約数の個数: 16

約数和(自身を含む): 262860288

約数和(自身を除く): 53423137

約数列:

[1, 7, 11, 77, 151, 1057, 1661, 11627, 18013, 126091, 198143, 1387001, 2719963, 19039741, 29919593, 209437151]

約数ペア:

[(1, 209437151), (7, 29919593), (11, 19039741), (77, 2719963), (151, 1387001), (1057, 198143), (1661, 126091), (11627, 18013)]