28112229

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2081}}^1$

素因数の和:2185

約数の個数: 24

約数和(自身を含む): 43305600

約数和(自身を除く): 15193371

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 1501, 2081, 4503, 6243, 13509, 18729, 39539, 118617, 164399, 355851, 493197, 1479591, 3123581, 9370743, 28112229]

約数ペア:

[(1, 28112229), (3, 9370743), (9, 3123581), (19, 1479591), (57, 493197), (79, 355851), (171, 164399), (237, 118617), (711, 39539), (1501, 18729), (2081, 13509), (4503, 6243)]