28142559

素因数分解:

$3^5\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 42456960

約数和(自身を除く): 14314401

約数列:

[1, 3, 9, 27, 81, 179, 243, 537, 647, 1611, 1941, 4833, 5823, 14499, 17469, 43497, 52407, 115813, 157221, 347439, 1042317, 3126951, 9380853, 28142559]

約数ペア:

[(1, 28142559), (3, 9380853), (9, 3126951), (27, 1042317), (81, 347439), (179, 157221), (243, 115813), (537, 52407), (647, 43497), (1611, 17469), (1941, 14499), (4833, 5823)]