27770001

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{881}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 17388399

約数列:

[1, 3, 7, 19, 21, 57, 79, 133, 237, 399, 553, 881, 1501, 1659, 2643, 4503, 6167, 10507, 16739, 18501, 31521, 50217, 69599, 117173, 208797, 351519, 487193, 1322381, 1461579, 3967143, 9256667, 27770001]

約数ペア:

[(1, 27770001), (3, 9256667), (7, 3967143), (19, 1461579), (21, 1322381), (57, 487193), (79, 351519), (133, 208797), (237, 117173), (399, 69599), (553, 50217), (881, 31521), (1501, 18501), (1659, 16739), (2643, 10507), (4503, 6167)]