31240275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2036

約数の個数: 48

約数和(自身を含む): 59341440

約数和(自身を除く): 28101165

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 1993, 3135, 5225, 5979, 9965, 15675, 21923, 29895, 37867, 49825, 65769, 109615, 113601, 149475, 189335, 328845, 416537, 548075, 568005, 946675, 1249611, 1644225, 2082685, 2840025, 6248055, 10413425, 31240275]

約数ペア:

[(1, 31240275), (3, 10413425), (5, 6248055), (11, 2840025), (15, 2082685), (19, 1644225), (25, 1249611), (33, 946675), (55, 568005), (57, 548075), (75, 416537), (95, 328845), (165, 189335), (209, 149475), (275, 113601), (285, 109615), (475, 65769), (627, 49825), (825, 37867), (1045, 29895), (1425, 21923), (1993, 15675), (3135, 9965), (5225, 5979)]