25212165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 20752635

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 121, 145, 165, 319, 363, 435, 479, 605, 957, 1437, 1595, 1815, 2395, 3509, 4785, 5269, 7185, 10527, 13891, 15807, 17545, 26345, 41673, 52635, 57959, 69455, 79035, 152801, 173877, 208365, 289795, 458403, 764005, 869385, 1680811, 2292015, 5042433, 8404055, 25212165]

約数ペア:

[(1, 25212165), (3, 8404055), (5, 5042433), (11, 2292015), (15, 1680811), (29, 869385), (33, 764005), (55, 458403), (87, 289795), (121, 208365), (145, 173877), (165, 152801), (319, 79035), (363, 69455), (435, 57959), (479, 52635), (605, 41673), (957, 26345), (1437, 17545), (1595, 15807), (1815, 13891), (2395, 10527), (3509, 7185), (4785, 5269)]