290627.0000000

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 10418688

約数和(自身を除く): 4400949

約数列:

[1, 3, 7, 13, 21, 39, 47, 49, 67, 91, 141, 147, 201, 273, 329, 469, 611, 637, 871, 987, 1407, 1833, 1911, 2303, 2613, 3149, 3283, 4277, 6097, 6909, 9447, 9849, 12831, 18291, 22043, 29939, 40937, 42679, 66129, 89817, 122811, 128037, 154301, 286559, 462903, 859677, 2005913, 6017739]

約数ペア:

[(1, 6017739), (3, 2005913), (7, 859677), (13, 462903), (21, 286559), (39, 154301), (47, 128037), (49, 122811), (67, 89817), (91, 66129), (141, 42679), (147, 40937), (201, 29939), (273, 22043), (329, 18291), (469, 12831), (611, 9849), (637, 9447), (871, 6909), (987, 6097), (1407, 4277), (1833, 3283), (1911, 3149), (2303, 2613)]