2190705

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 4136832

約数和(自身を除く): 1946127

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 71, 85, 121, 165, 187, 213, 255, 355, 363, 561, 605, 781, 935, 1065, 1207, 1815, 2057, 2343, 2805, 3621, 3905, 6035, 6171, 8591, 10285, 11715, 13277, 18105, 25773, 30855, 39831, 42955, 66385, 128865, 146047, 199155, 438141, 730235, 2190705]

約数ペア:

[(1, 2190705), (3, 730235), (5, 438141), (11, 199155), (15, 146047), (17, 128865), (33, 66385), (51, 42955), (55, 39831), (71, 30855), (85, 25773), (121, 18105), (165, 13277), (187, 11715), (213, 10285), (255, 8591), (355, 6171), (363, 6035), (561, 3905), (605, 3621), (781, 2805), (935, 2343), (1065, 2057), (1207, 1815)]