211687561

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{881}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 228953088

約数和(自身を除く): 17265527

約数列:

[1, 23, 31, 337, 713, 881, 7751, 10447, 20263, 27311, 240281, 296897, 628153, 6828631, 9203807, 211687561]

約数ペア:

[(1, 211687561), (23, 9203807), (31, 6828631), (337, 628153), (713, 296897), (881, 240281), (7751, 27311), (10447, 20263)]