252567

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 440960

約数和(自身を除く): 188393

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 211, 399, 633, 1197, 1477, 1899, 4009, 4431, 12027, 13293, 28063, 36081, 84189, 252567]

約数ペア:

[(1, 252567), (3, 84189), (7, 36081), (9, 28063), (19, 13293), (21, 12027), (57, 4431), (63, 4009), (133, 1899), (171, 1477), (211, 1197), (399, 633)]