172820175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4457}}^1$

素因数の和:4528

約数の個数: 48

約数和(自身を含む): 318408192

約数和(自身を除く): 145588017

約数列:

[1, 3, 5, 11, 15, 25, 33, 47, 55, 75, 141, 165, 235, 275, 517, 705, 825, 1175, 1551, 2585, 3525, 4457, 7755, 12925, 13371, 22285, 38775, 49027, 66855, 111425, 147081, 209479, 245135, 334275, 628437, 735405, 1047395, 1225675, 2304269, 3142185, 3677025, 5236975, 6912807, 11521345, 15710925, 34564035, 57606725, 172820175]

約数ペア:

[(1, 172820175), (3, 57606725), (5, 34564035), (11, 15710925), (15, 11521345), (25, 6912807), (33, 5236975), (47, 3677025), (55, 3142185), (75, 2304269), (141, 1225675), (165, 1047395), (235, 735405), (275, 628437), (517, 334275), (705, 245135), (825, 209479), (1175, 147081), (1551, 111425), (2585, 66855), (3525, 49027), (4457, 38775), (7755, 22285), (12925, 13371)]