28756557

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{797}}^1$

素因数の和:1033

約数の個数: 24

約数和(自身を含む): 43985760

約数和(自身を除く): 15229203

約数列:

[1, 3, 9, 19, 57, 171, 211, 633, 797, 1899, 2391, 4009, 7173, 12027, 15143, 36081, 45429, 136287, 168167, 504501, 1513503, 3195173, 9585519, 28756557]

約数ペア:

[(1, 28756557), (3, 9585519), (9, 3195173), (19, 1513503), (57, 504501), (171, 168167), (211, 136287), (633, 45429), (797, 36081), (1899, 15143), (2391, 12027), (4009, 7173)]