31146225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 59162880

約数和(自身を除く): 28016655

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 1987, 3135, 5225, 5961, 9935, 15675, 21857, 29805, 37753, 49675, 65571, 109285, 113259, 149025, 188765, 327855, 415283, 546425, 566295, 943825, 1245849, 1639275, 2076415, 2831475, 6229245, 10382075, 31146225]

約数ペア:

[(1, 31146225), (3, 10382075), (5, 6229245), (11, 2831475), (15, 2076415), (19, 1639275), (25, 1245849), (33, 943825), (55, 566295), (57, 546425), (75, 415283), (95, 327855), (165, 188765), (209, 149025), (275, 113259), (285, 109285), (475, 65571), (627, 49675), (825, 37753), (1045, 29805), (1425, 21857), (1987, 15675), (3135, 9935), (5225, 5961)]