408097137

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 653422464

約数和(自身を除く): 245325327

約数列:

[1, 3, 7, 21, 49, 61, 71, 147, 183, 213, 427, 497, 641, 1281, 1491, 1923, 2989, 3479, 4331, 4487, 8967, 10437, 12993, 13461, 30317, 31409, 39101, 45511, 90951, 94227, 117303, 136533, 212219, 273707, 318577, 636657, 821121, 955731, 1915949, 2230039, 2776171, 5747847, 6690117, 8328513, 19433197, 58299591, 136032379, 408097137]

約数ペア:

[(1, 408097137), (3, 136032379), (7, 58299591), (21, 19433197), (49, 8328513), (61, 6690117), (71, 5747847), (147, 2776171), (183, 2230039), (213, 1915949), (427, 955731), (497, 821121), (641, 636657), (1281, 318577), (1491, 273707), (1923, 212219), (2989, 136533), (3479, 117303), (4331, 94227), (4487, 90951), (8967, 45511), (10437, 39101), (12993, 31409), (13461, 30317)]