38906973

素因数分解:

$3^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 67616640

約数和(自身を除く): 28709667

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 189, 243, 257, 267, 567, 623, 771, 801, 1701, 1799, 1869, 2313, 2403, 5397, 5607, 6939, 7209, 16191, 16821, 20817, 21627, 22873, 48573, 50463, 62451, 68619, 145719, 151389, 160111, 205857, 437157, 480333, 617571, 1440999, 1852713, 4322997, 5558139, 12968991, 38906973]

約数ペア:

[(1, 38906973), (3, 12968991), (7, 5558139), (9, 4322997), (21, 1852713), (27, 1440999), (63, 617571), (81, 480333), (89, 437157), (189, 205857), (243, 160111), (257, 151389), (267, 145719), (567, 68619), (623, 62451), (771, 50463), (801, 48573), (1701, 22873), (1799, 21627), (1869, 20817), (2313, 16821), (2403, 16191), (5397, 7209), (5607, 6939)]