274236489

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{1301}}^1$

素因数の和:1558

約数の個数: 32

約数和(自身を含む): 419556480

約数和(自身を除く): 145319991

約数列:

[1, 3, 9, 27, 37, 111, 211, 333, 633, 999, 1301, 1899, 3903, 5697, 7807, 11709, 23421, 35127, 48137, 70263, 144411, 210789, 274511, 433233, 823533, 1299699, 2470599, 7411797, 10156907, 30470721, 91412163, 274236489]

約数ペア:

[(1, 274236489), (3, 91412163), (9, 30470721), (27, 10156907), (37, 7411797), (111, 2470599), (211, 1299699), (333, 823533), (633, 433233), (999, 274511), (1301, 210789), (1899, 144411), (3903, 70263), (5697, 48137), (7807, 35127), (11709, 23421)]