16653861

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13913}}^1$

素因数の和:13945

約数の個数: 24

約数和(自身を含む): 28941120

約数和(自身を除く): 12287259

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 13913, 41739, 97391, 125217, 264347, 292173, 793041, 876519, 1850429, 2379123, 5551287, 16653861]

約数ペア:

[(1, 16653861), (3, 5551287), (7, 2379123), (9, 1850429), (19, 876519), (21, 793041), (57, 292173), (63, 264347), (133, 125217), (171, 97391), (399, 41739), (1197, 13913)]