208253757

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1\times {\mathrm{307}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 302303232

約数和(自身を除く): 94049475

約数列:

[1, 3, 17, 47, 51, 141, 283, 307, 799, 849, 921, 2397, 4811, 5219, 13301, 14429, 14433, 15657, 39903, 43287, 86881, 226117, 245293, 260643, 678351, 735879, 1476977, 4083407, 4430931, 12250221, 69417919, 208253757]

約数ペア:

[(1, 208253757), (3, 69417919), (17, 12250221), (47, 4430931), (51, 4083407), (141, 1476977), (283, 735879), (307, 678351), (799, 260643), (849, 245293), (921, 226117), (2397, 86881), (4811, 43287), (5219, 39903), (13301, 15657), (14429, 14433)]