217872009

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{233}}^1\times {\mathrm{971}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 319336992

約数和(自身を除く): 101464983

約数列:

[1, 3, 9, 107, 233, 321, 699, 963, 971, 2097, 2913, 8739, 24931, 74793, 103897, 224379, 226243, 311691, 678729, 935073, 2036187, 24208001, 72624003, 217872009]

約数ペア:

[(1, 217872009), (3, 72624003), (9, 24208001), (107, 2036187), (233, 935073), (321, 678729), (699, 311691), (963, 226243), (971, 224379), (2097, 103897), (2913, 74793), (8739, 24931)]