28916943

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2153}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 43545264

約数和(自身を除く): 14628321

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 2153, 4477, 6459, 13431, 23683, 71049, 79661, 238983, 260513, 781539, 876271, 2628813, 9638981, 28916943]

約数ペア:

[(1, 28916943), (3, 9638981), (11, 2628813), (33, 876271), (37, 781539), (111, 260513), (121, 238983), (363, 79661), (407, 71049), (1221, 23683), (2153, 13431), (4477, 6459)]