2228961

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 3529440

約数和(自身を除く): 1300479

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 257, 413, 771, 1239, 1799, 2891, 5397, 8673, 12593, 15163, 37779, 45489, 106141, 318423, 742987, 2228961]

約数ペア:

[(1, 2228961), (3, 742987), (7, 318423), (21, 106141), (49, 45489), (59, 37779), (147, 15163), (177, 12593), (257, 8673), (413, 5397), (771, 2891), (1239, 1799)]