27864879

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1447}}^1$

素因数の和:1595

約数の個数: 24

約数和(自身を含む): 43579008

約数和(自身を除く): 15714129

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 1447, 2751, 4341, 6419, 10129, 19257, 30387, 70903, 189557, 212709, 568671, 1326899, 3980697, 9288293, 27864879]

約数ペア:

[(1, 27864879), (3, 9288293), (7, 3980697), (21, 1326899), (49, 568671), (131, 212709), (147, 189557), (393, 70903), (917, 30387), (1447, 19257), (2751, 10129), (4341, 6419)]