28248615

素因数分解:

$3^3\times 5^1\times {\mathrm{209249}}^1$

素因数の和:209263

約数の個数: 16

約数和(自身を含む): 50220000

約数和(自身を除く): 21971385

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 209249, 627747, 1046245, 1883241, 3138735, 5649723, 9416205, 28248615]

約数ペア:

[(1, 28248615), (3, 9416205), (5, 5649723), (9, 3138735), (15, 1883241), (27, 1046245), (45, 627747), (135, 209249)]