287122005

素因数分解:

$3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{9923}}^1$

素因数の和:10577

約数の個数: 24

約数和(自身を含む): 498502368

約数和(自身を除く): 211380363

約数列:

[1, 3, 5, 9, 15, 45, 643, 1929, 3215, 5787, 9645, 9923, 28935, 29769, 49615, 89307, 148845, 446535, 6380489, 19141467, 31902445, 57424401, 95707335, 287122005]

約数ペア:

[(1, 287122005), (3, 95707335), (5, 57424401), (9, 31902445), (15, 19141467), (45, 6380489), (643, 446535), (1929, 148845), (3215, 89307), (5787, 49615), (9645, 29769), (9923, 28935)]