19899135

素因数分解:

$3^3\times 5^1\times {\mathrm{147401}}^1$

素因数の和:147415

約数の個数: 16

約数和(自身を含む): 35376480

約数和(自身を除く): 15477345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 147401, 442203, 737005, 1326609, 2211015, 3979827, 6633045, 19899135]

約数ペア:

[(1, 19899135), (3, 6633045), (5, 3979827), (9, 2211015), (15, 1326609), (27, 737005), (45, 442203), (135, 147401)]