189945

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{67}}^1$

素因数の和:91

約数の個数: 40

約数和(自身を含む): 394944

約数和(自身を除く): 204999

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 67, 81, 105, 135, 189, 201, 315, 335, 405, 469, 567, 603, 945, 1005, 1407, 1809, 2345, 2835, 3015, 4221, 5427, 7035, 9045, 12663, 21105, 27135, 37989, 63315, 189945]

約数ペア:

[(1, 189945), (3, 63315), (5, 37989), (7, 27135), (9, 21105), (15, 12663), (21, 9045), (27, 7035), (35, 5427), (45, 4221), (63, 3015), (67, 2835), (81, 2345), (105, 1809), (135, 1407), (189, 1005), (201, 945), (315, 603), (335, 567), (405, 469)]