421200000039

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6421}}^1\times {\mathrm{240283}}^1$

素因数の和:246727

約数の個数: 32

約数和(自身を含む): 691310523904

約数和(自身を除く): 270110523865

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 6421, 19263, 44947, 83473, 134841, 240283, 250419, 584311, 720849, 1681981, 1752933, 3123679, 5045943, 9371037, 21865753, 65597259, 1542857143, 4628571429, 10800000001, 20057142859, 32400000003, 60171428577, 140400000013, 421200000039]

約数ペア:

[(1, 421200000039), (3, 140400000013), (7, 60171428577), (13, 32400000003), (21, 20057142859), (39, 10800000001), (91, 4628571429), (273, 1542857143), (6421, 65597259), (19263, 21865753), (44947, 9371037), (83473, 5045943), (134841, 3123679), (240283, 1752933), (250419, 1681981), (584311, 720849)]