7419447

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 13178880

約数和(自身を除く): 5759433

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 87, 93, 131, 203, 217, 261, 279, 393, 609, 651, 899, 917, 1179, 1827, 1953, 2697, 2751, 3799, 4061, 6293, 8091, 8253, 11397, 12183, 18879, 26593, 28427, 34191, 36549, 56637, 79779, 85281, 117769, 239337, 255843, 353307, 824383, 1059921, 2473149, 7419447]

約数ペア:

[(1, 7419447), (3, 2473149), (7, 1059921), (9, 824383), (21, 353307), (29, 255843), (31, 239337), (63, 117769), (87, 85281), (93, 79779), (131, 56637), (203, 36549), (217, 34191), (261, 28427), (279, 26593), (393, 18879), (609, 12183), (651, 11397), (899, 8253), (917, 8091), (1179, 6293), (1827, 4061), (1953, 3799), (2697, 2751)]