15638007

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 27907200

約数和(自身を除く): 12269193

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 399, 509, 539, 627, 931, 1463, 1527, 1617, 2793, 3563, 4389, 5599, 9671, 10241, 10689, 16797, 24941, 29013, 30723, 39193, 67697, 74823, 106381, 117579, 203091, 274351, 319143, 473879, 744667, 823053, 1421637, 2234001, 5212669, 15638007]

約数ペア:

[(1, 15638007), (3, 5212669), (7, 2234001), (11, 1421637), (19, 823053), (21, 744667), (33, 473879), (49, 319143), (57, 274351), (77, 203091), (133, 117579), (147, 106381), (209, 74823), (231, 67697), (399, 39193), (509, 30723), (539, 29013), (627, 24941), (931, 16797), (1463, 10689), (1527, 10241), (1617, 9671), (2793, 5599), (3563, 4389)]