27953961

素因数分解:

$3^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{479}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 43557120

約数和(自身を除く): 15603159

約数列:

[1, 3, 7, 21, 49, 147, 397, 479, 1191, 1437, 2779, 3353, 8337, 10059, 19453, 23471, 58359, 70413, 190163, 570489, 1331141, 3993423, 9317987, 27953961]

約数ペア:

[(1, 27953961), (3, 9317987), (7, 3993423), (21, 1331141), (49, 570489), (147, 190163), (397, 70413), (479, 58359), (1191, 23471), (1437, 19453), (2779, 10059), (3353, 8337)]