18225087129

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{54581}}^1$

素因数の和:54822

約数の個数: 32

約数和(自身を含む): 27509328000

約数和(自身を除く): 9284240871

約数列:

[1, 3, 9, 27, 83, 149, 249, 447, 747, 1341, 2241, 4023, 12367, 37101, 54581, 111303, 163743, 333909, 491229, 1473687, 4530223, 8132569, 13590669, 24397707, 40772007, 73193121, 122316021, 219579363, 675003227, 2025009681, 6075029043, 18225087129]

約数ペア:

[(1, 18225087129), (3, 6075029043), (9, 2025009681), (27, 675003227), (83, 219579363), (149, 122316021), (249, 73193121), (447, 40772007), (747, 24397707), (1341, 13590669), (2241, 8132569), (4023, 4530223), (12367, 1473687), (37101, 491229), (54581, 333909), (111303, 163743)]