28293441

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 42713088

約数和(自身を除く): 14419647

約数列:

[1, 3, 11, 33, 43, 127, 129, 157, 381, 471, 473, 1397, 1419, 1727, 4191, 5181, 5461, 6751, 16383, 19939, 20253, 59817, 60071, 74261, 180213, 219329, 222783, 657987, 857377, 2572131, 9431147, 28293441]

約数ペア:

[(1, 28293441), (3, 9431147), (11, 2572131), (33, 857377), (43, 657987), (127, 222783), (129, 219329), (157, 180213), (381, 74261), (471, 60071), (473, 59817), (1397, 20253), (1419, 19939), (1727, 16383), (4191, 6751), (5181, 5461)]