2025405

素因数分解:

$3^5\times 5^1\times {\mathrm{1667}}^1$

素因数の和:1687

約数の個数: 24

約数和(自身を含む): 3642912

約数和(自身を除く): 1617507

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1667, 5001, 8335, 15003, 25005, 45009, 75015, 135027, 225045, 405081, 675135, 2025405]

約数ペア:

[(1, 2025405), (3, 675135), (5, 405081), (9, 225045), (15, 135027), (27, 75015), (45, 45009), (81, 25005), (135, 15003), (243, 8335), (405, 5001), (1215, 1667)]