651423

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:314

約数の個数: 16

約数和(自身を含む): 940896

約数和(自身を除く): 289473

約数列:

[1, 3, 17, 51, 53, 159, 241, 723, 901, 2703, 4097, 12291, 12773, 38319, 217141, 651423]

約数ペア:

[(1, 651423), (3, 217141), (17, 38319), (51, 12773), (53, 12291), (159, 4097), (241, 2703), (723, 901)]