213715891

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{9431}}^1$

素因数の和:9522

約数の個数: 16

約数和(自身を含む): 239044608

約数和(自身を除く): 25328717

約数列:

[1, 17, 31, 43, 527, 731, 1333, 9431, 22661, 160327, 292361, 405533, 4970137, 6894061, 12571523, 213715891]

約数ペア:

[(1, 213715891), (17, 12571523), (31, 6894061), (43, 4970137), (527, 405533), (731, 292361), (1333, 160327), (9431, 22661)]