51487731

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{953}}^1$

素因数の和:1017

約数の個数: 40

約数和(自身を含む): 83112480

約数和(自身を除く): 31624749

約数列:

[1, 3, 9, 23, 27, 29, 69, 81, 87, 207, 261, 621, 667, 783, 953, 1863, 2001, 2349, 2859, 6003, 8577, 18009, 21919, 25731, 27637, 54027, 65757, 77193, 82911, 197271, 248733, 591813, 635651, 746199, 1775439, 1906953, 2238597, 5720859, 17162577, 51487731]

約数ペア:

[(1, 51487731), (3, 17162577), (9, 5720859), (23, 2238597), (27, 1906953), (29, 1775439), (69, 746199), (81, 635651), (87, 591813), (207, 248733), (261, 197271), (621, 82911), (667, 77193), (783, 65757), (953, 54027), (1863, 27637), (2001, 25731), (2349, 21919), (2859, 18009), (6003, 8577)]