263878131

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 416785824

約数和(自身を除く): 152907693

約数列:

[1, 3, 11, 17, 33, 51, 61, 121, 183, 187, 363, 561, 671, 701, 1037, 2013, 2057, 2103, 3111, 6171, 7381, 7711, 11407, 11917, 22143, 23133, 34221, 35751, 42761, 84821, 125477, 128283, 131087, 254463, 376431, 393261, 470371, 726937, 1411113, 1441957, 2180811, 4325871, 5174081, 7996307, 15522243, 23988921, 87959377, 263878131]

約数ペア:

[(1, 263878131), (3, 87959377), (11, 23988921), (17, 15522243), (33, 7996307), (51, 5174081), (61, 4325871), (121, 2180811), (183, 1441957), (187, 1411113), (363, 726937), (561, 470371), (671, 393261), (701, 376431), (1037, 254463), (2013, 131087), (2057, 128283), (2103, 125477), (3111, 84821), (6171, 42761), (7381, 35751), (7711, 34221), (11407, 23133), (11917, 22143)]