28034505

素因数分解:

$3^4\times 5^1\times {\mathrm{69221}}^1$

素因数の和:69238

約数の個数: 20

約数和(自身を含む): 50255172

約数和(自身を除く): 22220667

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 69221, 207663, 346105, 622989, 1038315, 1868967, 3114945, 5606901, 9344835, 28034505]

約数ペア:

[(1, 28034505), (3, 9344835), (5, 5606901), (9, 3114945), (15, 1868967), (27, 1038315), (45, 622989), (81, 346105), (135, 207663), (405, 69221)]