128250285

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{450001}}^1$

素因数の和:450028

約数の個数: 16

約数和(自身を含む): 216000960

約数和(自身を除く): 87750675

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 450001, 1350003, 2250005, 6750015, 8550019, 25650057, 42750095, 128250285]

約数ペア:

[(1, 128250285), (3, 42750095), (5, 25650057), (15, 8550019), (19, 6750015), (57, 2250005), (95, 1350003), (285, 450001)]