206157063

素因数分解:

$3^1\times 7^4\times {\mathrm{28621}}^1$

素因数の和:28652

約数の個数: 20

約数和(自身を含む): 320680888

約数和(自身を除く): 114523825

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 28621, 85863, 200347, 601041, 1402429, 4207287, 9817003, 29451009, 68719021, 206157063]

約数ペア:

[(1, 206157063), (3, 68719021), (7, 29451009), (21, 9817003), (49, 4207287), (147, 1402429), (343, 601041), (1029, 200347), (2401, 85863), (7203, 28621)]