167781201

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 259660800

約数和(自身を除く): 91879599

約数列:

[1, 3, 7, 21, 139, 229, 251, 417, 687, 753, 973, 1603, 1757, 2919, 4809, 5271, 31831, 34889, 57479, 95493, 104667, 172437, 222817, 244223, 402353, 668451, 732669, 1207059, 7989581, 23968743, 55927067, 167781201]

約数ペア:

[(1, 167781201), (3, 55927067), (7, 23968743), (21, 7989581), (139, 1207059), (229, 732669), (251, 668451), (417, 402353), (687, 244223), (753, 222817), (973, 172437), (1603, 104667), (1757, 95493), (2919, 57479), (4809, 34889), (5271, 31831)]