649272009

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{863}}^1$

素因数の和:1149

約数の個数: 32

約数和(自身を含む): 930631680

約数和(自身を除く): 281359671

約数列:

[1, 3, 19, 57, 67, 197, 201, 591, 863, 1273, 2589, 3743, 3819, 11229, 13199, 16397, 39597, 49191, 57821, 170011, 173463, 250781, 510033, 752343, 1098599, 3230209, 3295797, 9690627, 11390737, 34172211, 216424003, 649272009]

約数ペア:

[(1, 649272009), (3, 216424003), (19, 34172211), (57, 11390737), (67, 9690627), (197, 3295797), (201, 3230209), (591, 1098599), (863, 752343), (1273, 510033), (2589, 250781), (3743, 173463), (3819, 170011), (11229, 57821), (13199, 49191), (16397, 39597)]