81128013

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{1787}}^1$

素因数の和:2236

約数の個数: 16

約数和(自身を含む): 111428160

約数和(自身を除く): 30300147

約数列:

[1, 3, 37, 111, 409, 1227, 1787, 5361, 15133, 45399, 66119, 198357, 730883, 2192649, 27042671, 81128013]

約数ペア:

[(1, 81128013), (3, 27042671), (37, 2192649), (111, 730883), (409, 198357), (1227, 66119), (1787, 45399), (5361, 15133)]