56047131

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6689}}^1$

素因数の和:6728

約数の個数: 36

約数和(自身を含む): 99145800

約数和(自身を除く): 43098669

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 6689, 8379, 20067, 46823, 60201, 127091, 140469, 327761, 381273, 421407, 889637, 983283, 1143819, 2668911, 2949849, 6227459, 8006733, 18682377, 56047131]

約数ペア:

[(1, 56047131), (3, 18682377), (7, 8006733), (9, 6227459), (19, 2949849), (21, 2668911), (49, 1143819), (57, 983283), (63, 889637), (133, 421407), (147, 381273), (171, 327761), (399, 140469), (441, 127091), (931, 60201), (1197, 46823), (2793, 20067), (6689, 8379)]