657260163

素因数分解:

$3^4\times 7^1\times {\mathrm{1159189}}^1$

素因数の和:1159208

約数の個数: 20

約数和(自身を含む): 1122095920

約数和(自身を除く): 464835757

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1159189, 3477567, 8114323, 10432701, 24342969, 31298103, 73028907, 93894309, 219086721, 657260163]

約数ペア:

[(1, 657260163), (3, 219086721), (7, 93894309), (9, 73028907), (21, 31298103), (27, 24342969), (63, 10432701), (81, 8114323), (189, 3477567), (567, 1159189)]