120704787

素因数分解:

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

素因数の和:729

約数の個数: 48

約数和(自身を含む): 206980800

約数和(自身を除く): 86276013

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 343, 427, 441, 549, 641, 1029, 1281, 1923, 2989, 3087, 3843, 4487, 5769, 8967, 13461, 20923, 26901, 31409, 39101, 40383, 62769, 94227, 117303, 188307, 219863, 273707, 282681, 351909, 659589, 821121, 1915949, 1978767, 2463363, 5747847, 13411643, 17243541, 40234929, 120704787]

約数ペア:

[(1, 120704787), (3, 40234929), (7, 17243541), (9, 13411643), (21, 5747847), (49, 2463363), (61, 1978767), (63, 1915949), (147, 821121), (183, 659589), (343, 351909), (427, 282681), (441, 273707), (549, 219863), (641, 188307), (1029, 117303), (1281, 94227), (1923, 62769), (2989, 40383), (3087, 39101), (3843, 31409), (4487, 26901), (5769, 20923), (8967, 13461)]