211534845

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{263}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 359821440

約数和(自身を除く): 148286595

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 145, 215, 263, 435, 645, 789, 1247, 1315, 1849, 3741, 3945, 5547, 6235, 7627, 9245, 11309, 18705, 22881, 27735, 33927, 38135, 53621, 56545, 114405, 160863, 169635, 268105, 327961, 486287, 804315, 983883, 1458861, 1639805, 2431435, 4919415, 7294305, 14102323, 42306969, 70511615, 211534845]

約数ペア:

[(1, 211534845), (3, 70511615), (5, 42306969), (15, 14102323), (29, 7294305), (43, 4919415), (87, 2431435), (129, 1639805), (145, 1458861), (215, 983883), (263, 804315), (435, 486287), (645, 327961), (789, 268105), (1247, 169635), (1315, 160863), (1849, 114405), (3741, 56545), (3945, 53621), (5547, 38135), (6235, 33927), (7627, 27735), (9245, 22881), (11309, 18705)]