28188855

素因数分解:

$3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2621}}^1$

素因数の和:2871

約数の個数: 24

約数和(自身を含む): 49083840

約数和(自身を除く): 20894985

約数列:

[1, 3, 5, 9, 15, 45, 239, 717, 1195, 2151, 2621, 3585, 7863, 10755, 13105, 23589, 39315, 117945, 626419, 1879257, 3132095, 5637771, 9396285, 28188855]

約数ペア:

[(1, 28188855), (3, 9396285), (5, 5637771), (9, 3132095), (15, 1879257), (45, 626419), (239, 117945), (717, 39315), (1195, 23589), (2151, 13105), (2621, 10755), (3585, 7863)]