27213725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 42902016

約数和(自身を除く): 15688291

約数列:

[1, 5, 7, 11, 25, 35, 55, 67, 77, 175, 211, 275, 335, 385, 469, 737, 1055, 1477, 1675, 1925, 2321, 2345, 3685, 5159, 5275, 7385, 11605, 11725, 14137, 16247, 18425, 25795, 36925, 58025, 70685, 81235, 98959, 128975, 155507, 353425, 406175, 494795, 777535, 1088549, 2473975, 3887675, 5442745, 27213725]

約数ペア:

[(1, 27213725), (5, 5442745), (7, 3887675), (11, 2473975), (25, 1088549), (35, 777535), (55, 494795), (67, 406175), (77, 353425), (175, 155507), (211, 128975), (275, 98959), (335, 81235), (385, 70685), (469, 58025), (737, 36925), (1055, 25795), (1477, 18425), (1675, 16247), (1925, 14137), (2321, 11725), (2345, 11605), (3685, 7385), (5159, 5275)]