17689437

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 28753920

約数和(自身を除く): 11064483

約数列:

[1, 3, 9, 19, 31, 47, 57, 71, 93, 141, 171, 213, 279, 423, 589, 639, 893, 1349, 1457, 1767, 2201, 2679, 3337, 4047, 4371, 5301, 6603, 8037, 10011, 12141, 13113, 19809, 27683, 30033, 41819, 63403, 83049, 103447, 125457, 190209, 249147, 310341, 376371, 570627, 931023, 1965493, 5896479, 17689437]

約数ペア:

[(1, 17689437), (3, 5896479), (9, 1965493), (19, 931023), (31, 570627), (47, 376371), (57, 310341), (71, 249147), (93, 190209), (141, 125457), (171, 103447), (213, 83049), (279, 63403), (423, 41819), (589, 30033), (639, 27683), (893, 19809), (1349, 13113), (1457, 12141), (1767, 10011), (2201, 8037), (2679, 6603), (3337, 5301), (4047, 4371)]