1691738217

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{30313}}^1$

素因数の和:30391

約数の個数: 40

約数和(自身を含む): 2773003464

約数和(自身を除く): 1081265247

約数列:

[1, 3, 9, 13, 27, 39, 53, 81, 117, 159, 351, 477, 689, 1053, 1431, 2067, 4293, 6201, 18603, 30313, 55809, 90939, 272817, 394069, 818451, 1182207, 1606589, 2455353, 3546621, 4819767, 10639863, 14459301, 20885657, 31919589, 43377903, 62656971, 130133709, 187970913, 563912739, 1691738217]

約数ペア:

[(1, 1691738217), (3, 563912739), (9, 187970913), (13, 130133709), (27, 62656971), (39, 43377903), (53, 31919589), (81, 20885657), (117, 14459301), (159, 10639863), (351, 4819767), (477, 3546621), (689, 2455353), (1053, 1606589), (1431, 1182207), (2067, 818451), (4293, 394069), (6201, 272817), (18603, 90939), (30313, 55809)]