7254387

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 12418560

約数和(自身を除く): 5164173

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 293, 393, 879, 917, 1179, 2051, 2637, 2751, 3537, 6153, 7911, 8253, 18459, 24759, 38383, 55377, 115149, 268681, 345447, 806043, 1036341, 2418129, 7254387]

約数ペア:

[(1, 7254387), (3, 2418129), (7, 1036341), (9, 806043), (21, 345447), (27, 268681), (63, 115149), (131, 55377), (189, 38383), (293, 24759), (393, 18459), (879, 8253), (917, 7911), (1179, 6153), (2051, 3537), (2637, 2751)]