1208879721

素因数分解:

$3^4\times 7^1\times {\mathrm{2132063}}^1$

素因数の和:2132082

約数の個数: 20

約数和(自身を含む): 2063837952

約数和(自身を除く): 854958231

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2132063, 6396189, 14924441, 19188567, 44773323, 57565701, 134319969, 172697103, 402959907, 1208879721]

約数ペア:

[(1, 1208879721), (3, 402959907), (7, 172697103), (9, 134319969), (21, 57565701), (27, 44773323), (63, 19188567), (81, 14924441), (189, 6396189), (567, 2132063)]