168111111

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{27893}}^1$

素因数の和:27951

約数の個数: 24

約数和(自身を含む): 267112944

約数和(自身を除く): 99001833

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 27893, 83679, 195251, 585753, 1143613, 1366757, 3430839, 4100271, 8005291, 24015873, 56037037, 168111111]

約数ペア:

[(1, 168111111), (3, 56037037), (7, 24015873), (21, 8005291), (41, 4100271), (49, 3430839), (123, 1366757), (147, 1143613), (287, 585753), (861, 195251), (2009, 83679), (6027, 27893)]