215533899

素因数分解:

$3^3\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1613}}^1$

素因数の和:1737

約数の個数: 48

約数和(自身を含む): 375351840

約数和(自身を除く): 159817941

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 101, 147, 189, 303, 441, 707, 909, 1323, 1613, 2121, 2727, 4839, 4949, 6363, 11291, 14517, 14847, 19089, 33873, 43551, 44541, 79037, 101619, 133623, 162913, 237111, 304857, 488739, 711333, 1140391, 1466217, 2133999, 3421173, 4398651, 7982737, 10263519, 23948211, 30790557, 71844633, 215533899]

約数ペア:

[(1, 215533899), (3, 71844633), (7, 30790557), (9, 23948211), (21, 10263519), (27, 7982737), (49, 4398651), (63, 3421173), (101, 2133999), (147, 1466217), (189, 1140391), (303, 711333), (441, 488739), (707, 304857), (909, 237111), (1323, 162913), (1613, 133623), (2121, 101619), (2727, 79037), (4839, 44541), (4949, 43551), (6363, 33873), (11291, 19089), (14517, 14847)]