17638317

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3067}}^1$

素因数の和:3150

約数の個数: 20

約数和(自身を含む): 26728416

約数和(自身を除く): 9090099

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 3067, 5751, 9201, 27603, 82809, 217757, 248427, 653271, 1959813, 5879439, 17638317]

約数ペア:

[(1, 17638317), (3, 5879439), (9, 1959813), (27, 653271), (71, 248427), (81, 217757), (213, 82809), (639, 27603), (1917, 9201), (3067, 5751)]