199646937

素因数分解:

$3^4\times 7^1\times {\mathrm{352111}}^1$

素因数の和:352130

約数の個数: 20

約数和(自身を含む): 340844416

約数和(自身を除く): 141197479

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 352111, 1056333, 2464777, 3168999, 7394331, 9506997, 22182993, 28520991, 66548979, 199646937]

約数ペア:

[(1, 199646937), (3, 66548979), (7, 28520991), (9, 22182993), (21, 9506997), (27, 7394331), (63, 3168999), (81, 2464777), (189, 1056333), (567, 352111)]