40220487

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1321}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 61869600

約数和(自身を除く): 21649113

約数列:

[1, 3, 9, 17, 51, 153, 199, 597, 1321, 1791, 3383, 3963, 10149, 11889, 22457, 30447, 67371, 202113, 262879, 788637, 2365911, 4468943, 13406829, 40220487]

約数ペア:

[(1, 40220487), (3, 13406829), (9, 4468943), (17, 2365911), (51, 788637), (153, 262879), (199, 202113), (597, 67371), (1321, 30447), (1791, 22457), (3383, 11889), (3963, 10149)]