7848009

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:311

約数の個数: 40

約数和(自身を含む): 13111560

約数和(自身を除く): 5263551

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 257, 261, 351, 377, 771, 783, 1053, 1131, 2313, 2349, 3341, 3393, 6939, 7453, 10023, 10179, 20817, 22359, 30069, 30537, 67077, 90207, 96889, 201231, 270621, 290667, 603693, 872001, 2616003, 7848009]

約数ペア:

[(1, 7848009), (3, 2616003), (9, 872001), (13, 603693), (27, 290667), (29, 270621), (39, 201231), (81, 96889), (87, 90207), (117, 67077), (257, 30537), (261, 30069), (351, 22359), (377, 20817), (771, 10179), (783, 10023), (1053, 7453), (1131, 6939), (2313, 3393), (2349, 3341)]