213687167

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 239141760

約数和(自身を除く): 25454593

約数列:

[1, 19, 29, 43, 311, 551, 817, 841, 1247, 5909, 9019, 13373, 15979, 23693, 36163, 171361, 254087, 261551, 387817, 687097, 4969469, 7368523, 11246693, 213687167]

約数ペア:

[(1, 213687167), (19, 11246693), (29, 7368523), (43, 4969469), (311, 687097), (551, 387817), (817, 261551), (841, 254087), (1247, 171361), (5909, 36163), (9019, 23693), (13373, 15979)]