205120701

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{761}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 310896000

約数和(自身を除く): 105775299

約数列:

[1, 3, 9, 27, 67, 149, 201, 447, 603, 761, 1341, 1809, 2283, 4023, 6849, 9983, 20547, 29949, 50987, 89847, 113389, 152961, 269541, 340167, 458883, 1020501, 1376649, 3061503, 7597063, 22791189, 68373567, 205120701]

約数ペア:

[(1, 205120701), (3, 68373567), (9, 22791189), (27, 7597063), (67, 3061503), (149, 1376649), (201, 1020501), (447, 458883), (603, 340167), (761, 269541), (1341, 152961), (1809, 113389), (2283, 89847), (4023, 50987), (6849, 29949), (9983, 20547)]