208088721

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{9007}}^1$

素因数の和:9181

約数の個数: 24

約数和(自身を含む): 320396544

約数和(自身を除く): 112307823

約数列:

[1, 3, 9, 17, 51, 151, 153, 453, 1359, 2567, 7701, 9007, 23103, 27021, 81063, 153119, 459357, 1360057, 1378071, 4080171, 12240513, 23120969, 69362907, 208088721]

約数ペア:

[(1, 208088721), (3, 69362907), (9, 23120969), (17, 12240513), (51, 4080171), (151, 1378071), (153, 1360057), (453, 459357), (1359, 153119), (2567, 81063), (7701, 27021), (9007, 23103)]