18907155

素因数分解:

$3^3\times 5^1\times {\mathrm{140053}}^1$

素因数の和:140067

約数の個数: 16

約数和(自身を含む): 33612960

約数和(自身を除く): 14705805

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 140053, 420159, 700265, 1260477, 2100795, 3781431, 6302385, 18907155]

約数ペア:

[(1, 18907155), (3, 6302385), (5, 3781431), (9, 2100795), (15, 1260477), (27, 700265), (45, 420159), (135, 140053)]