2181853233

素因数分解:

$3^3\times 7^2\times {\mathrm{1649171}}^1$

素因数の和:1649194

約数の個数: 24

約数和(自身を含む): 3760112160

約数和(自身を除く): 1578258927

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 1649171, 4947513, 11544197, 14842539, 34632591, 44527617, 80809379, 103897773, 242428137, 311693319, 727284411, 2181853233]

約数ペア:

[(1, 2181853233), (3, 727284411), (7, 311693319), (9, 242428137), (21, 103897773), (27, 80809379), (49, 44527617), (63, 34632591), (147, 14842539), (189, 11544197), (441, 4947513), (1323, 1649171)]