12902439

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 20148480

約数和(自身を除く): 7246041

約数列:

[1, 3, 11, 17, 33, 51, 109, 187, 211, 327, 561, 633, 1199, 1853, 2321, 3587, 3597, 5559, 6963, 10761, 20383, 22999, 39457, 61149, 68997, 118371, 252989, 390983, 758967, 1172949, 4300813, 12902439]

約数ペア:

[(1, 12902439), (3, 4300813), (11, 1172949), (17, 758967), (33, 390983), (51, 252989), (109, 118371), (187, 68997), (211, 61149), (327, 39457), (561, 22999), (633, 20383), (1199, 10761), (1853, 6963), (2321, 5559), (3587, 3597)]