7898121

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 15206400

約数和(自身を除く): 7308279

約数列:

[1, 3, 7, 9, 11, 21, 27, 29, 33, 63, 77, 87, 99, 131, 189, 203, 231, 261, 297, 319, 393, 609, 693, 783, 917, 957, 1179, 1441, 1827, 2079, 2233, 2751, 2871, 3537, 3799, 4323, 5481, 6699, 8253, 8613, 10087, 11397, 12969, 20097, 24759, 26593, 30261, 34191, 38907, 41789, 60291, 79779, 90783, 102573, 125367, 239337, 272349, 292523, 376101, 718011, 877569, 1128303, 2632707, 7898121]

約数ペア:

[(1, 7898121), (3, 2632707), (7, 1128303), (9, 877569), (11, 718011), (21, 376101), (27, 292523), (29, 272349), (33, 239337), (63, 125367), (77, 102573), (87, 90783), (99, 79779), (131, 60291), (189, 41789), (203, 38907), (231, 34191), (261, 30261), (297, 26593), (319, 24759), (393, 20097), (609, 12969), (693, 11397), (783, 10087), (917, 8613), (957, 8253), (1179, 6699), (1441, 5481), (1827, 4323), (2079, 3799), (2233, 3537), (2751, 2871)]