31397595

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2687}}^1$

素因数の和:2755

約数の個数: 32

約数和(自身を含む): 54190080

約数和(自身を除く): 22792485

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 2337, 2687, 3895, 8061, 11685, 13435, 40305, 51053, 110167, 153159, 255265, 330501, 550835, 765795, 1652505, 2093173, 6279519, 10465865, 31397595]

約数ペア:

[(1, 31397595), (3, 10465865), (5, 6279519), (15, 2093173), (19, 1652505), (41, 765795), (57, 550835), (95, 330501), (123, 255265), (205, 153159), (285, 110167), (615, 51053), (779, 40305), (2337, 13435), (2687, 11685), (3895, 8061)]