31079961

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 52902720

約数和(自身を除く): 21822759

約数列:

[1, 3, 9, 11, 17, 33, 51, 59, 99, 153, 177, 187, 313, 531, 561, 649, 939, 1003, 1683, 1947, 2817, 3009, 3443, 5321, 5841, 9027, 10329, 11033, 15963, 18467, 30987, 33099, 47889, 55401, 58531, 99297, 166203, 175593, 203137, 313939, 526779, 609411, 941817, 1828233, 2825451, 3453329, 10359987, 31079961]

約数ペア:

[(1, 31079961), (3, 10359987), (9, 3453329), (11, 2825451), (17, 1828233), (33, 941817), (51, 609411), (59, 526779), (99, 313939), (153, 203137), (177, 175593), (187, 166203), (313, 99297), (531, 58531), (561, 55401), (649, 47889), (939, 33099), (1003, 30987), (1683, 18467), (1947, 15963), (2817, 11033), (3009, 10329), (3443, 9027), (5321, 5841)]