81720306

素因数分解:

$2^1\times 3^3\times {\mathrm{83}}^1\times {\mathrm{18233}}^1$

素因数の和:18327

約数の個数: 32

約数和(自身を含む): 183798720

約数和(自身を除く): 102078414

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 83, 166, 249, 498, 747, 1494, 2241, 4482, 18233, 36466, 54699, 109398, 164097, 328194, 492291, 984582, 1513339, 3026678, 4540017, 9080034, 13620051, 27240102, 40860153, 81720306]

約数ペア:

[(1, 81720306), (2, 40860153), (3, 27240102), (6, 13620051), (9, 9080034), (18, 4540017), (27, 3026678), (54, 1513339), (83, 984582), (166, 492291), (249, 328194), (498, 164097), (747, 109398), (1494, 54699), (2241, 36466), (4482, 18233)]