212165163

素因数分解:

$3^4\times 7^1\times {\mathrm{374189}}^1$

素因数の和:374208

約数の個数: 20

約数和(自身を含む): 362215920

約数和(自身を除く): 150050757

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 374189, 1122567, 2619323, 3367701, 7857969, 10103103, 23573907, 30309309, 70721721, 212165163]

約数ペア:

[(1, 212165163), (3, 70721721), (7, 30309309), (9, 23573907), (21, 10103103), (27, 7857969), (63, 3367701), (81, 2619323), (189, 1122567), (567, 374189)]