28250505

素因数分解:

$3^3\times 5^1\times {\mathrm{209263}}^1$

素因数の和:209277

約数の個数: 16

約数和(自身を含む): 50223360

約数和(自身を除く): 21972855

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 209263, 627789, 1046315, 1883367, 3138945, 5650101, 9416835, 28250505]

約数ペア:

[(1, 28250505), (3, 9416835), (5, 5650101), (9, 3138945), (15, 1883367), (27, 1046315), (45, 627789), (135, 209263)]