28273365

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{16981}}^1$

素因数の和:17029

約数の個数: 24

約数和(自身を含む): 50334648

約数和(自身を除く): 22061283

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 16981, 50943, 84905, 152829, 254715, 628297, 764145, 1884891, 3141485, 5654673, 9424455, 28273365]

約数ペア:

[(1, 28273365), (3, 9424455), (5, 5654673), (9, 3141485), (15, 1884891), (37, 764145), (45, 628297), (111, 254715), (185, 152829), (333, 84905), (555, 50943), (1665, 16981)]