31705323

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 50544480

約数和(自身を除く): 18839157

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 97, 221, 289, 291, 377, 493, 663, 867, 1131, 1261, 1479, 1649, 2813, 3757, 3783, 4947, 6409, 8381, 8439, 11271, 19227, 21437, 25143, 28033, 36569, 47821, 64311, 84099, 108953, 109707, 143463, 326859, 364429, 621673, 812957, 1093287, 1865019, 2438871, 10568441, 31705323]

約数ペア:

[(1, 31705323), (3, 10568441), (13, 2438871), (17, 1865019), (29, 1093287), (39, 812957), (51, 621673), (87, 364429), (97, 326859), (221, 143463), (289, 109707), (291, 108953), (377, 84099), (493, 64311), (663, 47821), (867, 36569), (1131, 28033), (1261, 25143), (1479, 21437), (1649, 19227), (2813, 11271), (3757, 8439), (3783, 8381), (4947, 6409)]