321431493

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131143}}^1$

素因数の和:131208

約数の個数: 16

約数和(自身を含む): 461626880

約数和(自身を除く): 140195387

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 131143, 393429, 2491717, 5639149, 7475151, 16917447, 107143831, 321431493]

約数ペア:

[(1, 321431493), (3, 107143831), (19, 16917447), (43, 7475151), (57, 5639149), (129, 2491717), (817, 393429), (2451, 131143)]