208022085

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{87221}}^1$

素因数の和:87285

約数の個数: 24

約数和(自身を含む): 367379064

約数和(自身を除く): 159356979

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 87221, 261663, 436105, 784989, 1308315, 3924945, 4622713, 13868139, 23113565, 41604417, 69340695, 208022085]

約数ペア:

[(1, 208022085), (3, 69340695), (5, 41604417), (9, 23113565), (15, 13868139), (45, 4622713), (53, 3924945), (159, 1308315), (265, 784989), (477, 436105), (795, 261663), (2385, 87221)]