155531475

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{20947}}^1$

素因数の和:20977

約数の個数: 48

約数和(自身を含む): 311706240

約数和(自身を除く): 156174765

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 7425, 20947, 62841, 104735, 188523, 230417, 314205, 523675, 565569, 691251, 942615, 1152085, 1571025, 2073753, 2827845, 3456255, 4713075, 5760425, 6221259, 10368765, 14139225, 17281275, 31106295, 51843825, 155531475]

約数ペア:

[(1, 155531475), (3, 51843825), (5, 31106295), (9, 17281275), (11, 14139225), (15, 10368765), (25, 6221259), (27, 5760425), (33, 4713075), (45, 3456255), (55, 2827845), (75, 2073753), (99, 1571025), (135, 1152085), (165, 942615), (225, 691251), (275, 565569), (297, 523675), (495, 314205), (675, 230417), (825, 188523), (1485, 104735), (2475, 62841), (7425, 20947)]