28439895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10139}}^1$

素因数の和:10175

約数の個数: 32

約数和(自身を含む): 52565760

約数和(自身を除く): 24125865

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 10139, 30417, 50695, 111529, 152085, 172363, 334587, 517089, 557645, 861815, 1672935, 1895993, 2585445, 5687979, 9479965, 28439895]

約数ペア:

[(1, 28439895), (3, 9479965), (5, 5687979), (11, 2585445), (15, 1895993), (17, 1672935), (33, 861815), (51, 557645), (55, 517089), (85, 334587), (165, 172363), (187, 152085), (255, 111529), (561, 50695), (935, 30417), (2805, 10139)]