289583427

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{9187}}^1$

素因数の和:9295

約数の個数: 32

約数和(自身を含む): 470425600

約数和(自身を除く): 180842173

約数列:

[1, 3, 7, 19, 21, 57, 79, 133, 237, 399, 553, 1501, 1659, 4503, 9187, 10507, 27561, 31521, 64309, 174553, 192927, 523659, 725773, 1221871, 2177319, 3665613, 5080411, 13789687, 15241233, 41369061, 96527809, 289583427]

約数ペア:

[(1, 289583427), (3, 96527809), (7, 41369061), (19, 15241233), (21, 13789687), (57, 5080411), (79, 3665613), (133, 2177319), (237, 1221871), (399, 725773), (553, 523659), (1501, 192927), (1659, 174553), (4503, 64309), (9187, 31521), (10507, 27561)]