2811387

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:338

約数の個数: 16

約数和(自身を含む): 3877632

約数和(自身を除く): 1066245

約数列:

[1, 3, 67, 71, 197, 201, 213, 591, 4757, 13199, 13987, 14271, 39597, 41961, 937129, 2811387]

約数ペア:

[(1, 2811387), (3, 937129), (67, 41961), (71, 39597), (197, 14271), (201, 13987), (213, 13199), (591, 4757)]