861237

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 1421784

約数和(自身を除く): 560547

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 433, 663, 1299, 1989, 3897, 5629, 7361, 16887, 22083, 50661, 66249, 95693, 287079, 861237]

約数ペア:

[(1, 861237), (3, 287079), (9, 95693), (13, 66249), (17, 50661), (39, 22083), (51, 16887), (117, 7361), (153, 5629), (221, 3897), (433, 1989), (663, 1299)]