72847917

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:375

約数の個数: 40

約数和(自身を含む): 112907520

約数和(自身を除く): 40059603

約数列:

[1, 3, 9, 27, 53, 71, 81, 159, 213, 239, 477, 639, 717, 1431, 1917, 2151, 3763, 4293, 5751, 6453, 11289, 12667, 16969, 19359, 33867, 38001, 50907, 101601, 114003, 152721, 304803, 342009, 458163, 899357, 1026027, 1374489, 2698071, 8094213, 24282639, 72847917]

約数ペア:

[(1, 72847917), (3, 24282639), (9, 8094213), (27, 2698071), (53, 1374489), (71, 1026027), (81, 899357), (159, 458163), (213, 342009), (239, 304803), (477, 152721), (639, 114003), (717, 101601), (1431, 50907), (1917, 38001), (2151, 33867), (3763, 19359), (4293, 16969), (5751, 12667), (6453, 11289)]