11995821

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 19656000

約数和(自身を除く): 7660179

約数列:

[1, 3, 9, 19, 29, 41, 57, 59, 87, 123, 171, 177, 261, 369, 531, 551, 779, 1121, 1189, 1653, 1711, 2337, 2419, 3363, 3567, 4959, 5133, 7011, 7257, 10089, 10701, 15399, 21771, 22591, 32509, 45961, 67773, 70151, 97527, 137883, 203319, 210453, 292581, 413649, 631359, 1332869, 3998607, 11995821]

約数ペア:

[(1, 11995821), (3, 3998607), (9, 1332869), (19, 631359), (29, 413649), (41, 292581), (57, 210453), (59, 203319), (87, 137883), (123, 97527), (171, 70151), (177, 67773), (261, 45961), (369, 32509), (531, 22591), (551, 21771), (779, 15399), (1121, 10701), (1189, 10089), (1653, 7257), (1711, 7011), (2337, 5133), (2419, 4959), (3363, 3567)]