199939581

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{167}}^1\times {\mathrm{971}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 292953024

約数和(自身を除く): 93013443

約数列:

[1, 3, 9, 137, 167, 411, 501, 971, 1233, 1503, 2913, 8739, 22879, 68637, 133027, 162157, 205911, 399081, 486471, 1197243, 1459413, 22215509, 66646527, 199939581]

約数ペア:

[(1, 199939581), (3, 66646527), (9, 22215509), (137, 1459413), (167, 1197243), (411, 486471), (501, 399081), (971, 205911), (1233, 162157), (1503, 133027), (2913, 68637), (8739, 22879)]