289971

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 477360

約数和(自身を除く): 187389

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 101, 261, 303, 319, 909, 957, 1111, 2871, 2929, 3333, 8787, 9999, 26361, 32219, 96657, 289971]

約数ペア:

[(1, 289971), (3, 96657), (9, 32219), (11, 26361), (29, 9999), (33, 8787), (87, 3333), (99, 2929), (101, 2871), (261, 1111), (303, 957), (319, 909)]