28742319

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 42522480

約数和(自身を除く): 13780161

約数列:

[1, 3, 9, 83, 109, 249, 327, 353, 747, 981, 1059, 3177, 9047, 27141, 29299, 38477, 81423, 87897, 115431, 263691, 346293, 3193591, 9580773, 28742319]

約数ペア:

[(1, 28742319), (3, 9580773), (9, 3193591), (83, 346293), (109, 263691), (249, 115431), (327, 87897), (353, 81423), (747, 38477), (981, 29299), (1059, 27141), (3177, 9047)]