207865719

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{6791}}^1$

素因数の和:6995

約数の個数: 24

約数和(自身を含む): 317865600

約数和(自身を除く): 109999881

約数列:

[1, 3, 9, 19, 57, 171, 179, 537, 1611, 3401, 6791, 10203, 20373, 30609, 61119, 129029, 387087, 1161261, 1215589, 3646767, 10940301, 23096191, 69288573, 207865719]

約数ペア:

[(1, 207865719), (3, 69288573), (9, 23096191), (19, 10940301), (57, 3646767), (171, 1215589), (179, 1161261), (537, 387087), (1611, 129029), (3401, 61119), (6791, 30609), (10203, 20373)]