18280215

素因数分解:

$3^3\times 5^1\times {\mathrm{135409}}^1$

素因数の和:135423

約数の個数: 16

約数和(自身を含む): 32498400

約数和(自身を除く): 14218185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 135409, 406227, 677045, 1218681, 2031135, 3656043, 6093405, 18280215]

約数ペア:

[(1, 18280215), (3, 6093405), (5, 3656043), (9, 2031135), (15, 1218681), (27, 677045), (45, 406227), (135, 135409)]