15705801489

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137153}}^1$

素因数の和:137230

約数の個数: 48

約数和(自身を含む): 26267734080

約数和(自身を除く): 10561932591

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 123, 133, 147, 287, 399, 779, 861, 931, 2009, 2337, 2793, 5453, 6027, 16359, 38171, 114513, 137153, 411459, 960071, 2605907, 2880213, 5623273, 6720497, 7817721, 16869819, 18241349, 20161491, 39362911, 54724047, 106842187, 118088733, 127689443, 275540377, 320526561, 383068329, 747895309, 826621131, 2243685927, 5235267163, 15705801489]

約数ペア:

[(1, 15705801489), (3, 5235267163), (7, 2243685927), (19, 826621131), (21, 747895309), (41, 383068329), (49, 320526561), (57, 275540377), (123, 127689443), (133, 118088733), (147, 106842187), (287, 54724047), (399, 39362911), (779, 20161491), (861, 18241349), (931, 16869819), (2009, 7817721), (2337, 6720497), (2793, 5623273), (5453, 2880213), (6027, 2605907), (16359, 960071), (38171, 411459), (114513, 137153)]