205308153

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{1553}}^1$

素因数の和:1993

約数の個数: 24

約数和(自身を含む): 305535048

約数和(自身を除く): 100226895

約数列:

[1, 3, 9, 37, 111, 333, 397, 1191, 1553, 3573, 4659, 13977, 14689, 44067, 57461, 132201, 172383, 517149, 616541, 1849623, 5548869, 22812017, 68436051, 205308153]

約数ペア:

[(1, 205308153), (3, 68436051), (9, 22812017), (37, 5548869), (111, 1849623), (333, 616541), (397, 517149), (1191, 172383), (1553, 132201), (3573, 57461), (4659, 44067), (13977, 14689)]