28107705

素因数分解:

$3^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{2381}}^1$

素因数の和:3176

約数の個数: 16

約数和(自身を含む): 45048384

約数和(自身を除く): 16940679

約数列:

[1, 3, 5, 15, 787, 2361, 2381, 3935, 7143, 11805, 11905, 35715, 1873847, 5621541, 9369235, 28107705]

約数ペア:

[(1, 28107705), (3, 9369235), (5, 5621541), (15, 1873847), (787, 35715), (2361, 11905), (2381, 11805), (3935, 7143)]