26668557

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 39783744

約数和(自身を除く): 13115187

約数列:

[1, 3, 9, 43, 129, 137, 387, 411, 503, 1233, 1509, 4527, 5891, 17673, 21629, 53019, 64887, 68911, 194661, 206733, 620199, 2963173, 8889519, 26668557]

約数ペア:

[(1, 26668557), (3, 8889519), (9, 2963173), (43, 620199), (129, 206733), (137, 194661), (387, 68911), (411, 64887), (503, 53019), (1233, 21629), (1509, 17673), (4527, 5891)]