73478781

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{839}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 109549440

約数和(自身を除く): 36070659

約数列:

[1, 3, 9, 37, 111, 263, 333, 789, 839, 2367, 2517, 7551, 9731, 29193, 31043, 87579, 93129, 220657, 279387, 661971, 1985913, 8164309, 24492927, 73478781]

約数ペア:

[(1, 73478781), (3, 24492927), (9, 8164309), (37, 1985913), (111, 661971), (263, 279387), (333, 220657), (789, 93129), (839, 87579), (2367, 31043), (2517, 29193), (7551, 9731)]