1287642939

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{2137}}^1$

素因数の和:2232

約数の個数: 48

約数和(自身を含む): 2038112640

約数和(自身を除く): 750469701

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 209, 341, 589, 627, 961, 1023, 1767, 2137, 2883, 6411, 6479, 10571, 18259, 19437, 23507, 31713, 40603, 54777, 66247, 70521, 121809, 198741, 200849, 446633, 602547, 728717, 1258693, 1339899, 2053657, 2186151, 3776079, 6160971, 13845623, 22590227, 39019483, 41536869, 67770681, 117058449, 429214313, 1287642939]

約数ペア:

[(1, 1287642939), (3, 429214313), (11, 117058449), (19, 67770681), (31, 41536869), (33, 39019483), (57, 22590227), (93, 13845623), (209, 6160971), (341, 3776079), (589, 2186151), (627, 2053657), (961, 1339899), (1023, 1258693), (1767, 728717), (2137, 602547), (2883, 446633), (6411, 200849), (6479, 198741), (10571, 121809), (18259, 70521), (19437, 66247), (23507, 54777), (31713, 40603)]