25389315

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 52485120

約数和(自身を除く): 27095805

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 67, 105, 135, 189, 201, 315, 335, 401, 469, 603, 945, 1005, 1203, 1407, 1809, 2005, 2345, 2807, 3015, 3609, 4221, 6015, 7035, 8421, 9045, 10827, 12663, 14035, 18045, 21105, 25263, 26867, 42105, 54135, 63315, 75789, 80601, 126315, 134335, 188069, 241803, 378945, 403005, 564207, 725409, 940345, 1209015, 1692621, 2821035, 3627045, 5077863, 8463105, 25389315]

約数ペア:

[(1, 25389315), (3, 8463105), (5, 5077863), (7, 3627045), (9, 2821035), (15, 1692621), (21, 1209015), (27, 940345), (35, 725409), (45, 564207), (63, 403005), (67, 378945), (105, 241803), (135, 188069), (189, 134335), (201, 126315), (315, 80601), (335, 75789), (401, 63315), (469, 54135), (603, 42105), (945, 26867), (1005, 25263), (1203, 21105), (1407, 18045), (1809, 14035), (2005, 12663), (2345, 10827), (2807, 9045), (3015, 8421), (3609, 7035), (4221, 6015)]