27866559

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 45045760

約数和(自身を除く): 17179201

約数列:

[1, 3, 7, 19, 21, 57, 133, 211, 331, 399, 633, 993, 1477, 2317, 4009, 4431, 6289, 6951, 12027, 18867, 28063, 44023, 69841, 84189, 132069, 209523, 488887, 1326979, 1466661, 3980937, 9288853, 27866559]

約数ペア:

[(1, 27866559), (3, 9288853), (7, 3980937), (19, 1466661), (21, 1326979), (57, 488887), (133, 209523), (211, 132069), (331, 84189), (399, 69841), (633, 44023), (993, 28063), (1477, 18867), (2317, 12027), (4009, 6951), (4431, 6289)]