281015055

素因数分解:

$3^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1877}}^1$

素因数の和:3000

約数の個数: 32

約数和(自身を含む): 500299200

約数和(自身を除く): 219284145

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1109, 1877, 3327, 5545, 5631, 9385, 9981, 16635, 16893, 28155, 29943, 49905, 50679, 84465, 149715, 253395, 2081593, 6244779, 10407965, 18734337, 31223895, 56203011, 93671685, 281015055]

約数ペア:

[(1, 281015055), (3, 93671685), (5, 56203011), (9, 31223895), (15, 18734337), (27, 10407965), (45, 6244779), (135, 2081593), (1109, 253395), (1877, 149715), (3327, 84465), (5545, 50679), (5631, 49905), (9385, 29943), (9981, 28155), (16635, 16893)]