40664727

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 62112960

約数和(自身を除く): 21448233

約数列:

[1, 3, 9, 27, 53, 157, 159, 181, 471, 477, 543, 1413, 1431, 1629, 4239, 4887, 8321, 9593, 24963, 28417, 28779, 74889, 85251, 86337, 224667, 255753, 259011, 767259, 1506101, 4518303, 13554909, 40664727]

約数ペア:

[(1, 40664727), (3, 13554909), (9, 4518303), (27, 1506101), (53, 767259), (157, 259011), (159, 255753), (181, 224667), (471, 86337), (477, 85251), (543, 74889), (1413, 28779), (1431, 28417), (1629, 24963), (4239, 9593), (4887, 8321)]