15661149

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39251}}^1$

素因数の和:39280

約数の個数: 16

約数和(自身を含む): 25121280

約数和(自身を除く): 9460131

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 39251, 117753, 274757, 745769, 824271, 2237307, 5220383, 15661149]

約数ペア:

[(1, 15661149), (3, 5220383), (7, 2237307), (19, 824271), (21, 745769), (57, 274757), (133, 117753), (399, 39251)]