207971071

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{18127}}^1$

素因数の和:18294

約数の個数: 16

約数和(自身を含む): 261043200

約数和(自身を除く): 53072129

約数列:

[1, 7, 11, 77, 149, 1043, 1639, 11473, 18127, 126889, 199397, 1395779, 2700923, 18906461, 29710153, 207971071]

約数ペア:

[(1, 207971071), (7, 29710153), (11, 18906461), (77, 2700923), (149, 1395779), (1043, 199397), (1639, 126889), (11473, 18127)]