28101981

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{619}}^1$

素因数の和:1068

約数の個数: 16

約数和(自身を含む): 38638400

約数和(自身を除く): 10536419

約数列:

[1, 3, 37, 111, 409, 619, 1227, 1857, 15133, 22903, 45399, 68709, 253171, 759513, 9367327, 28101981]

約数ペア:

[(1, 28101981), (3, 9367327), (37, 759513), (111, 253171), (409, 68709), (619, 45399), (1227, 22903), (1857, 15133)]