523872009

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 831738240

約数和(自身を除く): 307866231

約数列:

[1, 3, 9, 19, 27, 57, 71, 171, 213, 361, 513, 639, 757, 1083, 1349, 1917, 2271, 3249, 4047, 6813, 9747, 12141, 14383, 20439, 25631, 36423, 43149, 53747, 76893, 129447, 161241, 230679, 273277, 388341, 483723, 692037, 819831, 1021193, 1451169, 2459493, 3063579, 7378479, 9190737, 19402667, 27572211, 58208001, 174624003, 523872009]

約数ペア:

[(1, 523872009), (3, 174624003), (9, 58208001), (19, 27572211), (27, 19402667), (57, 9190737), (71, 7378479), (171, 3063579), (213, 2459493), (361, 1451169), (513, 1021193), (639, 819831), (757, 692037), (1083, 483723), (1349, 388341), (1917, 273277), (2271, 230679), (3249, 161241), (4047, 129447), (6813, 76893), (9747, 53747), (12141, 43149), (14383, 36423), (20439, 25631)]