210902307

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{4327}}^1$

素因数の和:4559

約数の個数: 32

約数和(自身を含む): 352333824

約数和(自身を除く): 141431517

約数列:

[1, 3, 7, 11, 21, 33, 77, 211, 231, 633, 1477, 2321, 4327, 4431, 6963, 12981, 16247, 30289, 47597, 48741, 90867, 142791, 333179, 912997, 999537, 2738991, 6390979, 10042967, 19172937, 30128901, 70300769, 210902307]

約数ペア:

[(1, 210902307), (3, 70300769), (7, 30128901), (11, 19172937), (21, 10042967), (33, 6390979), (77, 2738991), (211, 999537), (231, 912997), (633, 333179), (1477, 142791), (2321, 90867), (4327, 48741), (4431, 47597), (6963, 30289), (12981, 16247)]