438173895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{21751}}^1$

素因数の和:21855

約数の個数: 32

約数和(自身を含む): 751749120

約数和(自身を除く): 313575225

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 1185, 1343, 4029, 6715, 20145, 21751, 65253, 108755, 326265, 369767, 1109301, 1718329, 1848835, 5154987, 5546505, 8591645, 25774935, 29211593, 87634779, 146057965, 438173895]

約数ペア:

[(1, 438173895), (3, 146057965), (5, 87634779), (15, 29211593), (17, 25774935), (51, 8591645), (79, 5546505), (85, 5154987), (237, 1848835), (255, 1718329), (395, 1109301), (1185, 369767), (1343, 326265), (4029, 108755), (6715, 65253), (20145, 21751)]