9876979

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^2$

素因数の和:239

約数の個数: 18

約数和(自身を含む): 12212820

約数和(自身を除く): 2335841

約数列:

[1, 7, 19, 49, 103, 133, 721, 931, 1957, 5047, 10609, 13699, 74263, 95893, 201571, 519841, 1410997, 9876979]

約数ペア:

[(1, 9876979), (7, 1410997), (19, 519841), (49, 201571), (103, 95893), (133, 74263), (721, 13699), (931, 10609), (1957, 5047)]