28312755

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2423}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 48867840

約数和(自身を除く): 20555085

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 2337, 2423, 3895, 7269, 11685, 12115, 36345, 46037, 99343, 138111, 230185, 298029, 496715, 690555, 1490145, 1887517, 5662551, 9437585, 28312755]

約数ペア:

[(1, 28312755), (3, 9437585), (5, 5662551), (15, 1887517), (19, 1490145), (41, 690555), (57, 496715), (95, 298029), (123, 230185), (205, 138111), (285, 99343), (615, 46037), (779, 36345), (2337, 12115), (2423, 11685), (3895, 7269)]