25730991

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19993}}^1$

素因数の和:20023

約数の個数: 24

約数和(自身を含む): 43666896

約数和(自身を除く): 17935905

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 19993, 59979, 179937, 219923, 259909, 659769, 779727, 1979307, 2339181, 2858999, 8576997, 25730991]

約数ペア:

[(1, 25730991), (3, 8576997), (9, 2858999), (11, 2339181), (13, 1979307), (33, 779727), (39, 659769), (99, 259909), (117, 219923), (143, 179937), (429, 59979), (1287, 19993)]