215513913

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{11971}}^1$

素因数の和:12344

約数の個数: 16

約数和(自身を含む): 305142336

約数和(自身を除く): 89628423

約数列:

[1, 3, 17, 51, 353, 1059, 6001, 11971, 18003, 35913, 203507, 610521, 4225763, 12677289, 71837971, 215513913]

約数ペア:

[(1, 215513913), (3, 71837971), (17, 12677289), (51, 4225763), (353, 610521), (1059, 203507), (6001, 35913), (11971, 18003)]