205120161

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{1087}}^1$

素因数の和:1366

約数の個数: 32

約数和(自身を含む): 315955200

約数和(自身を除く): 110835039

約数列:

[1, 3, 9, 27, 29, 87, 241, 261, 723, 783, 1087, 2169, 3261, 6507, 6989, 9783, 20967, 29349, 31523, 62901, 94569, 188703, 261967, 283707, 785901, 851121, 2357703, 7073109, 7597043, 22791129, 68373387, 205120161]

約数ペア:

[(1, 205120161), (3, 68373387), (9, 22791129), (27, 7597043), (29, 7073109), (87, 2357703), (241, 851121), (261, 785901), (723, 283707), (783, 261967), (1087, 188703), (2169, 94569), (3261, 62901), (6507, 31523), (6989, 29349), (9783, 20967)]