205155153

素因数分解:

$3^3\times 7^1\times {\mathrm{337}}^1\times {\mathrm{3221}}^1$

素因数の和:3574

約数の個数: 32

約数和(自身を含む): 348491520

約数和(自身を除く): 143336367

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 337, 1011, 2359, 3033, 3221, 7077, 9099, 9663, 21231, 22547, 28989, 63693, 67641, 86967, 202923, 608769, 1085477, 3256431, 7598339, 9769293, 22795017, 29307879, 68385051, 205155153]

約数ペア:

[(1, 205155153), (3, 68385051), (7, 29307879), (9, 22795017), (21, 9769293), (27, 7598339), (63, 3256431), (189, 1085477), (337, 608769), (1011, 202923), (2359, 86967), (3033, 67641), (3221, 63693), (7077, 28989), (9099, 22547), (9663, 21231)]