91290231

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 147420000

約数和(自身を除く): 56129769

約数列:

[1, 3, 9, 19, 29, 41, 57, 87, 123, 171, 261, 369, 449, 551, 779, 1189, 1347, 1653, 2337, 3567, 4041, 4959, 7011, 8531, 10701, 13021, 18409, 22591, 25593, 39063, 55227, 67773, 76779, 117189, 165681, 203319, 247399, 349771, 533861, 742197, 1049313, 1601583, 2226591, 3147939, 4804749, 10143359, 30430077, 91290231]

約数ペア:

[(1, 91290231), (3, 30430077), (9, 10143359), (19, 4804749), (29, 3147939), (41, 2226591), (57, 1601583), (87, 1049313), (123, 742197), (171, 533861), (261, 349771), (369, 247399), (449, 203319), (551, 165681), (779, 117189), (1189, 76779), (1347, 67773), (1653, 55227), (2337, 39063), (3567, 25593), (4041, 22591), (4959, 18409), (7011, 13021), (8531, 10701)]