518556381

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{1187}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 804722688

約数和(自身を除く): 286166307

約数列:

[1, 3, 7, 21, 71, 213, 293, 497, 879, 1187, 1491, 2051, 3561, 6153, 8309, 20803, 24927, 62409, 84277, 145621, 252831, 347791, 436863, 589939, 1043373, 1769817, 2434537, 7303611, 24693161, 74079483, 172852127, 518556381]

約数ペア:

[(1, 518556381), (3, 172852127), (7, 74079483), (21, 24693161), (71, 7303611), (213, 2434537), (293, 1769817), (497, 1043373), (879, 589939), (1187, 436863), (1491, 347791), (2051, 252831), (3561, 145621), (6153, 84277), (8309, 62409), (20803, 24927)]